Home / 224,358.76-309,616.74-123,760.36

Finding the Fourth Proportional to 224,358.76, 309,616.74 and 123,760.36

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Solution

The fourth proportional to 224,358.76, 309,616.74 and 123,760.36 is: 170,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,358.76 : 309,616.74 = 123,760.36 : x
  2. Step 2: Convert to fraction form
    224,358.76/309,616.74 = 123,760.36/x
  3. Step 3: Cross multiply
    224,358.76x = 309,616.74 × 123,760.36
  4. Step 4: Simplify right side
    224,358.76x = 38,318,279,204.43
  5. Step 5: Solve for x
    x = 38,318,279,204.43/224,358.76
  6. Step 6: Final answer
    x = 170,790.21

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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.