Home / 220,930.29-331,385.94-71,167.23

Finding the Fourth Proportional to 220,930.29, 331,385.94 and 71,167.23

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Solution

The fourth proportional to 220,930.29, 331,385.94 and 71,167.23 is: 106,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,930.29 : 331,385.94 = 71,167.23 : x
  2. Step 2: Convert to fraction form
    220,930.29/331,385.94 = 71,167.23/x
  3. Step 3: Cross multiply
    220,930.29x = 331,385.94 × 71,167.23
  4. Step 4: Simplify right side
    220,930.29x = 23,583,819,410.75
  5. Step 5: Solve for x
    x = 23,583,819,410.75/220,930.29
  6. Step 6: Final answer
    x = 106,747.79

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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.