Home / 156,105.41-234,168.19-54,891.05

Finding the Fourth Proportional to 156,105.41, 234,168.19 and 54,891.05

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Solution

The fourth proportional to 156,105.41, 234,168.19 and 54,891.05 is: 82,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,105.41 : 234,168.19 = 54,891.05 : x
  2. Step 2: Convert to fraction form
    156,105.41/234,168.19 = 54,891.05/x
  3. Step 3: Cross multiply
    156,105.41x = 234,168.19 × 54,891.05
  4. Step 4: Simplify right side
    156,105.41x = 12,853,736,517.63
  5. Step 5: Solve for x
    x = 12,853,736,517.63/156,105.41
  6. Step 6: Final answer
    x = 82,340.11

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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.