Home / 224,189.92-309,385.52-122,215.44

Finding the Fourth Proportional to 224,189.92, 309,385.52 and 122,215.44

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Solution

The fourth proportional to 224,189.92, 309,385.52 and 122,215.44 is: 168,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,189.92 : 309,385.52 = 122,215.44 : x
  2. Step 2: Convert to fraction form
    224,189.92/309,385.52 = 122,215.44/x
  3. Step 3: Cross multiply
    224,189.92x = 309,385.52 × 122,215.44
  4. Step 4: Simplify right side
    224,189.92x = 37,811,687,456.43
  5. Step 5: Solve for x
    x = 37,811,687,456.43/224,189.92
  6. Step 6: Final answer
    x = 168,659.18

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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.