Home / 528,082.20-792,123.30-173,132.10

Finding the Fourth Proportional to 528,082.20, 792,123.30 and 173,132.10

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Solution

The fourth proportional to 528,082.20, 792,123.30 and 173,132.10 is: 259,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,082.20 : 792,123.30 = 173,132.10 : x
  2. Step 2: Convert to fraction form
    528,082.20/792,123.30 = 173,132.10/x
  3. Step 3: Cross multiply
    528,082.20x = 792,123.30 × 173,132.10
  4. Step 4: Simplify right side
    528,082.20x = 137,141,970,387.93
  5. Step 5: Solve for x
    x = 137,141,970,387.93/528,082.20
  6. Step 6: Final answer
    x = 259,698.15

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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.