Home / 156,620.10-234,541.35-125,516.10

Finding the Fourth Proportional to 156,620.10, 234,541.35 and 125,516.10

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Solution

The fourth proportional to 156,620.10, 234,541.35 and 125,516.10 is: 187,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,620.10 : 234,541.35 = 125,516.10 : x
  2. Step 2: Convert to fraction form
    156,620.10/234,541.35 = 125,516.10/x
  3. Step 3: Cross multiply
    156,620.10x = 234,541.35 × 125,516.10
  4. Step 4: Simplify right side
    156,620.10x = 29,438,715,540.74
  5. Step 5: Solve for x
    x = 29,438,715,540.74/156,620.10
  6. Step 6: Final answer
    x = 187,962.56

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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.