Home / 132,439.83-198,655.32-57,560.04

Finding the Fourth Proportional to 132,439.83, 198,655.32 and 57,560.04

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Solution

The fourth proportional to 132,439.83, 198,655.32 and 57,560.04 is: 86,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,439.83 : 198,655.32 = 57,560.04 : x
  2. Step 2: Convert to fraction form
    132,439.83/198,655.32 = 57,560.04/x
  3. Step 3: Cross multiply
    132,439.83x = 198,655.32 × 57,560.04
  4. Step 4: Simplify right side
    132,439.83x = 11,434,608,165.41
  5. Step 5: Solve for x
    x = 11,434,608,165.41/132,439.83
  6. Step 6: Final answer
    x = 86,338.14

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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.