Home / 156,631.24-236,103.78-147,487.15

Finding the Fourth Proportional to 156,631.24, 236,103.78 and 147,487.15

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Solution

The fourth proportional to 156,631.24, 236,103.78 and 147,487.15 is: 222,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.24 : 236,103.78 = 147,487.15 : x
  2. Step 2: Convert to fraction form
    156,631.24/236,103.78 = 147,487.15/x
  3. Step 3: Cross multiply
    156,631.24x = 236,103.78 × 147,487.15
  4. Step 4: Simplify right side
    156,631.24x = 34,822,273,616.43
  5. Step 5: Solve for x
    x = 34,822,273,616.43/156,631.24
  6. Step 6: Final answer
    x = 222,320.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.