Home / 132,367.77-198,440.01-57,431.43

Finding the Fourth Proportional to 132,367.77, 198,440.01 and 57,431.43

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Solution

The fourth proportional to 132,367.77, 198,440.01 and 57,431.43 is: 86,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,367.77 : 198,440.01 = 57,431.43 : x
  2. Step 2: Convert to fraction form
    132,367.77/198,440.01 = 57,431.43/x
  3. Step 3: Cross multiply
    132,367.77x = 198,440.01 × 57,431.43
  4. Step 4: Simplify right side
    132,367.77x = 11,396,693,543.51
  5. Step 5: Solve for x
    x = 11,396,693,543.51/132,367.77
  6. Step 6: Final answer
    x = 86,098.70

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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.