Home / 132,909.12-199,343.88-54,023.04

Finding the Fourth Proportional to 132,909.12, 199,343.88 and 54,023.04

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Solution

The fourth proportional to 132,909.12, 199,343.88 and 54,023.04 is: 81,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,909.12 : 199,343.88 = 54,023.04 : x
  2. Step 2: Convert to fraction form
    132,909.12/199,343.88 = 54,023.04/x
  3. Step 3: Cross multiply
    132,909.12x = 199,343.88 × 54,023.04
  4. Step 4: Simplify right side
    132,909.12x = 10,769,162,403.00
  5. Step 5: Solve for x
    x = 10,769,162,403.00/132,909.12
  6. Step 6: Final answer
    x = 81,026.51

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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.