Home / 156,328.73-234,493.18-109,789.37

Finding the Fourth Proportional to 156,328.73, 234,493.18 and 109,789.37

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Solution

The fourth proportional to 156,328.73, 234,493.18 and 109,789.37 is: 164,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,328.73 : 234,493.18 = 109,789.37 : x
  2. Step 2: Convert to fraction form
    156,328.73/234,493.18 = 109,789.37/x
  3. Step 3: Cross multiply
    156,328.73x = 234,493.18 × 109,789.37
  4. Step 4: Simplify right side
    156,328.73x = 25,744,856,780.08
  5. Step 5: Solve for x
    x = 25,744,856,780.08/156,328.73
  6. Step 6: Final answer
    x = 164,684.11

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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.