Home / 156,619.10-234,539.85-125,515.10

Finding the Fourth Proportional to 156,619.10, 234,539.85 and 125,515.10

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Solution

The fourth proportional to 156,619.10, 234,539.85 and 125,515.10 is: 187,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619.10 : 234,539.85 = 125,515.10 : x
  2. Step 2: Convert to fraction form
    156,619.10/234,539.85 = 125,515.10/x
  3. Step 3: Cross multiply
    156,619.10x = 234,539.85 × 125,515.10
  4. Step 4: Simplify right side
    156,619.10x = 29,438,292,726.74
  5. Step 5: Solve for x
    x = 29,438,292,726.74/156,619.10
  6. Step 6: Final answer
    x = 187,961.06

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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.