Home / 143,910.83-215,846.79-38,736.11

Finding the Fourth Proportional to 143,910.83, 215,846.79 and 38,736.11

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Solution

The fourth proportional to 143,910.83, 215,846.79 and 38,736.11 is: 58,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,910.83 : 215,846.79 = 38,736.11 : x
  2. Step 2: Convert to fraction form
    143,910.83/215,846.79 = 38,736.11/x
  3. Step 3: Cross multiply
    143,910.83x = 215,846.79 × 38,736.11
  4. Step 4: Simplify right side
    143,910.83x = 8,361,063,921.35
  5. Step 5: Solve for x
    x = 8,361,063,921.35/143,910.83
  6. Step 6: Final answer
    x = 58,098.92

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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.