Home / 106,310.88-159,505.20-36,197.28

Finding the Fourth Proportional to 106,310.88, 159,505.20 and 36,197.28

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Solution

The fourth proportional to 106,310.88, 159,505.20 and 36,197.28 is: 54,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,310.88 : 159,505.20 = 36,197.28 : x
  2. Step 2: Convert to fraction form
    106,310.88/159,505.20 = 36,197.28/x
  3. Step 3: Cross multiply
    106,310.88x = 159,505.20 × 36,197.28
  4. Step 4: Simplify right side
    106,310.88x = 5,773,654,385.86
  5. Step 5: Solve for x
    x = 5,773,654,385.86/106,310.88
  6. Step 6: Final answer
    x = 54,309.16

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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.