Home / 156,981.20-235,428.60-63,496.40

Finding the Fourth Proportional to 156,981.20, 235,428.60 and 63,496.40

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Solution

The fourth proportional to 156,981.20, 235,428.60 and 63,496.40 is: 95,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.20 : 235,428.60 = 63,496.40 : x
  2. Step 2: Convert to fraction form
    156,981.20/235,428.60 = 63,496.40/x
  3. Step 3: Cross multiply
    156,981.20x = 235,428.60 × 63,496.40
  4. Step 4: Simplify right side
    156,981.20x = 14,948,868,557.04
  5. Step 5: Solve for x
    x = 14,948,868,557.04/156,981.20
  6. Step 6: Final answer
    x = 95,227.13

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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.