Home / 156,134.92-234,333.60-67,456.12

Finding the Fourth Proportional to 156,134.92, 234,333.60 and 67,456.12

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Solution

The fourth proportional to 156,134.92, 234,333.60 and 67,456.12 is: 101,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,134.92 : 234,333.60 = 67,456.12 : x
  2. Step 2: Convert to fraction form
    156,134.92/234,333.60 = 67,456.12/x
  3. Step 3: Cross multiply
    156,134.92x = 234,333.60 × 67,456.12
  4. Step 4: Simplify right side
    156,134.92x = 15,807,235,441.63
  5. Step 5: Solve for x
    x = 15,807,235,441.63/156,134.92
  6. Step 6: Final answer
    x = 101,240.87

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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.