Home / 224,545.66-309,346.64-156,439.44

Finding the Fourth Proportional to 224,545.66, 309,346.64 and 156,439.44

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Solution

The fourth proportional to 224,545.66, 309,346.64 and 156,439.44 is: 215,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,545.66 : 309,346.64 = 156,439.44 : x
  2. Step 2: Convert to fraction form
    224,545.66/309,346.64 = 156,439.44/x
  3. Step 3: Cross multiply
    224,545.66x = 309,346.64 × 156,439.44
  4. Step 4: Simplify right side
    224,545.66x = 48,394,015,127.48
  5. Step 5: Solve for x
    x = 48,394,015,127.48/224,545.66
  6. Step 6: Final answer
    x = 215,519.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.