Home / 146,391.60-219,624-67,560.96

Finding the Fourth Proportional to 146,391.60, 219,624 and 67,560.96

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Solution

The fourth proportional to 146,391.60, 219,624 and 67,560.96 is: 101,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,391.60 : 219,624 = 67,560.96 : x
  2. Step 2: Convert to fraction form
    146,391.60/219,624 = 67,560.96/x
  3. Step 3: Cross multiply
    146,391.60x = 219,624 × 67,560.96
  4. Step 4: Simplify right side
    146,391.60x = 14,838,008,279.04
  5. Step 5: Solve for x
    x = 14,838,008,279.04/146,391.60
  6. Step 6: Final answer
    x = 101,358.33

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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.