Home / 132,899.28-199,431.92-54,013.48

Finding the Fourth Proportional to 132,899.28, 199,431.92 and 54,013.48

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Solution

The fourth proportional to 132,899.28, 199,431.92 and 54,013.48 is: 81,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899.28 : 199,431.92 = 54,013.48 : x
  2. Step 2: Convert to fraction form
    132,899.28/199,431.92 = 54,013.48/x
  3. Step 3: Cross multiply
    132,899.28x = 199,431.92 × 54,013.48
  4. Step 4: Simplify right side
    132,899.28x = 10,772,012,022.28
  5. Step 5: Solve for x
    x = 10,772,012,022.28/132,899.28
  6. Step 6: Final answer
    x = 81,053.95

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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.