Home / 224,197.20-309,387.60-123,595.20

Finding the Fourth Proportional to 224,197.20, 309,387.60 and 123,595.20

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Solution

The fourth proportional to 224,197.20, 309,387.60 and 123,595.20 is: 170,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,197.20 : 309,387.60 = 123,595.20 : x
  2. Step 2: Convert to fraction form
    224,197.20/309,387.60 = 123,595.20/x
  3. Step 3: Cross multiply
    224,197.20x = 309,387.60 × 123,595.20
  4. Step 4: Simplify right side
    224,197.20x = 38,238,822,299.52
  5. Step 5: Solve for x
    x = 38,238,822,299.52/224,197.20
  6. Step 6: Final answer
    x = 170,558.88

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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.