Home / 156,937.28-235,372.71-51,731.24

Finding the Fourth Proportional to 156,937.28, 235,372.71 and 51,731.24

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Solution

The fourth proportional to 156,937.28, 235,372.71 and 51,731.24 is: 77,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.28 : 235,372.71 = 51,731.24 : x
  2. Step 2: Convert to fraction form
    156,937.28/235,372.71 = 51,731.24/x
  3. Step 3: Cross multiply
    156,937.28x = 235,372.71 × 51,731.24
  4. Step 4: Simplify right side
    156,937.28x = 12,176,122,150.46
  5. Step 5: Solve for x
    x = 12,176,122,150.46/156,937.28
  6. Step 6: Final answer
    x = 77,585.91

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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.