Home / 482,155.40-723,233.10-131,947.40

Finding the Fourth Proportional to 482,155.40, 723,233.10 and 131,947.40

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Solution

The fourth proportional to 482,155.40, 723,233.10 and 131,947.40 is: 197,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,155.40 : 723,233.10 = 131,947.40 : x
  2. Step 2: Convert to fraction form
    482,155.40/723,233.10 = 131,947.40/x
  3. Step 3: Cross multiply
    482,155.40x = 723,233.10 × 131,947.40
  4. Step 4: Simplify right side
    482,155.40x = 95,428,727,138.94
  5. Step 5: Solve for x
    x = 95,428,727,138.94/482,155.40
  6. Step 6: Final answer
    x = 197,921.10

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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.