Home / 153,385.88-229,778.28-100,635.44

Finding the Fourth Proportional to 153,385.88, 229,778.28 and 100,635.44

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Solution

The fourth proportional to 153,385.88, 229,778.28 and 100,635.44 is: 150,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,385.88 : 229,778.28 = 100,635.44 : x
  2. Step 2: Convert to fraction form
    153,385.88/229,778.28 = 100,635.44/x
  3. Step 3: Cross multiply
    153,385.88x = 229,778.28 × 100,635.44
  4. Step 4: Simplify right side
    153,385.88x = 23,123,838,310.24
  5. Step 5: Solve for x
    x = 23,123,838,310.24/153,385.88
  6. Step 6: Final answer
    x = 150,755.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.