Finding the Fourth Proportional to 173,691.10, 239,698.02 and 97,209.55
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Solution
The fourth proportional to 173,691.10, 239,698.02 and 97,209.55 is: 134,151.59
Step by Step Solution
- Step 1: Write the proportion equation
173,691.10 : 239,698.02 = 97,209.55 : x - Step 2: Convert to fraction form
173,691.10/239,698.02 = 97,209.55/x - Step 3: Cross multiply
173,691.10x = 239,698.02 × 97,209.55 - Step 4: Simplify right side
173,691.10x = 23,300,936,660.09 - Step 5: Solve for x
x = 23,300,936,660.09/173,691.10 - Step 6: Final answer
x = 134,151.59
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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.