Home / 132,600.38-198,954.83-57,681.86

Finding the Fourth Proportional to 132,600.38, 198,954.83 and 57,681.86

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Solution

The fourth proportional to 132,600.38, 198,954.83 and 57,681.86 is: 86,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,600.38 : 198,954.83 = 57,681.86 : x
  2. Step 2: Convert to fraction form
    132,600.38/198,954.83 = 57,681.86/x
  3. Step 3: Cross multiply
    132,600.38x = 198,954.83 × 57,681.86
  4. Step 4: Simplify right side
    132,600.38x = 11,476,083,799.81
  5. Step 5: Solve for x
    x = 11,476,083,799.81/132,600.38
  6. Step 6: Final answer
    x = 86,546.39

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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.