Home / 157,872.20-236,600.94-74,789.96

Finding the Fourth Proportional to 157,872.20, 236,600.94 and 74,789.96

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Solution

The fourth proportional to 157,872.20, 236,600.94 and 74,789.96 is: 112,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,872.20 : 236,600.94 = 74,789.96 : x
  2. Step 2: Convert to fraction form
    157,872.20/236,600.94 = 74,789.96/x
  3. Step 3: Cross multiply
    157,872.20x = 236,600.94 × 74,789.96
  4. Step 4: Simplify right side
    157,872.20x = 17,695,374,838.56
  5. Step 5: Solve for x
    x = 17,695,374,838.56/157,872.20
  6. Step 6: Final answer
    x = 112,086.71

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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.