Home / 657,123.60-985,685.40-158,487.60

Finding the Fourth Proportional to 657,123.60, 985,685.40 and 158,487.60

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Solution

The fourth proportional to 657,123.60, 985,685.40 and 158,487.60 is: 237,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,123.60 : 985,685.40 = 158,487.60 : x
  2. Step 2: Convert to fraction form
    657,123.60/985,685.40 = 158,487.60/x
  3. Step 3: Cross multiply
    657,123.60x = 985,685.40 × 158,487.60
  4. Step 4: Simplify right side
    657,123.60x = 156,218,913,401.04
  5. Step 5: Solve for x
    x = 156,218,913,401.04/657,123.60
  6. Step 6: Final answer
    x = 237,731.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.