Home / 156,540.32-234,812.72-38,213.92

Finding the Fourth Proportional to 156,540.32, 234,812.72 and 38,213.92

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Solution

The fourth proportional to 156,540.32, 234,812.72 and 38,213.92 is: 57,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,540.32 : 234,812.72 = 38,213.92 : x
  2. Step 2: Convert to fraction form
    156,540.32/234,812.72 = 38,213.92/x
  3. Step 3: Cross multiply
    156,540.32x = 234,812.72 × 38,213.92
  4. Step 4: Simplify right side
    156,540.32x = 8,973,114,497.06
  5. Step 5: Solve for x
    x = 8,973,114,497.06/156,540.32
  6. Step 6: Final answer
    x = 57,321.43

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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.