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Percent Proportion. Percent. Means ‘of a hundred’. The Percent Proportion(s). You will use a proportion to solve most percent problems. Remember: the percent will always be related to a hundred. =. The Percent Proportion(s). ‘is’ is the number with the word ‘is’.

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## Percent Proportion

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**Percent**• Means ‘of a hundred’**The Percent Proportion(s)**• You will use a proportion to solve most percent problems. • Remember: the percent will always be related to a hundred.**=**The Percent Proportion(s) ‘is’ is the number with the word ‘is’ ‘of’ is the number with the word ‘of’ is % The percent % is always over 100. 100 is always on the bottom. of 100 This proportion can be used when dealing with simple percent statements such as: “What is 10% of 100?” “10 is what percent of 100?” “10 is 10% of what number?”**=**= is % of 100 50 is what percent of 230? • Use the proportion. 50 x 21.73913043 or x = 21.7% 50 is 21.7% of 230 230 100 Cross multiply to get the answer.**=**= is % of 100 What is 85% of 40? Use the proportion. x 85 40 100 x = 34 34 is 85% of 40 Cross multiply to get the answer.**=**= is % of 100 25% of what number is 400? Use the proportion. 400 25 x 100 x = 1600 25% of 1600 is 400 Cross multiply to get the answer.**=**= is % of 100 What is 175% of 80? Use the proportion. x 175 80 100 Cross multiply to get the answer. x = 140 140 is 175% of 80**19 is 25% of what number?**• What percent of 256 is 64? • What is 45% of 178?**=**= is % of 100 19 is 25% of what number? Use the proportion. 19 25 x 100 x = 76 19 is 25% of 76 Cross multiply to get the answer.**=**= is % of 100 What percent of 256 is 64? Use the proportion. 64 x 256 100 x = 25% 25% of 256 is 64 Cross multiply to get the answer.**=**= is % of 100 What is 45% of 178? Use the proportion. x 45 178 100 Cross multiply to get the answer. x = 80.1 80.1 is 45% of 178

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