Home / 132,079.31-198,132.82-57,207.03

Finding the Fourth Proportional to 132,079.31, 198,132.82 and 57,207.03

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Solution

The fourth proportional to 132,079.31, 198,132.82 and 57,207.03 is: 85,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.31 : 198,132.82 = 57,207.03 : x
  2. Step 2: Convert to fraction form
    132,079.31/198,132.82 = 57,207.03/x
  3. Step 3: Cross multiply
    132,079.31x = 198,132.82 × 57,207.03
  4. Step 4: Simplify right side
    132,079.31x = 11,334,590,034.71
  5. Step 5: Solve for x
    x = 11,334,590,034.71/132,079.31
  6. Step 6: Final answer
    x = 85,816.54

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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.