Home / 180,761.40-271,142.10-92,187.90

Finding the Fourth Proportional to 180,761.40, 271,142.10 and 92,187.90

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Solution

The fourth proportional to 180,761.40, 271,142.10 and 92,187.90 is: 138,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,761.40 : 271,142.10 = 92,187.90 : x
  2. Step 2: Convert to fraction form
    180,761.40/271,142.10 = 92,187.90/x
  3. Step 3: Cross multiply
    180,761.40x = 271,142.10 × 92,187.90
  4. Step 4: Simplify right side
    180,761.40x = 24,996,020,800.59
  5. Step 5: Solve for x
    x = 24,996,020,800.59/180,761.40
  6. Step 6: Final answer
    x = 138,281.85

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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.