Finding the Fourth Proportional to 160,547.10, 221,562.99 and 92,575.14
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Solution
The fourth proportional to 160,547.10, 221,562.99 and 92,575.14 is: 127,758.30
Step by Step Solution
- Step 1: Write the proportion equation
160,547.10 : 221,562.99 = 92,575.14 : x - Step 2: Convert to fraction form
160,547.10/221,562.99 = 92,575.14/x - Step 3: Cross multiply
160,547.10x = 221,562.99 × 92,575.14 - Step 4: Simplify right side
160,547.10x = 20,511,224,818.07 - Step 5: Solve for x
x = 20,511,224,818.07/160,547.10 - Step 6: Final answer
x = 127,758.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.