Home / 132,330.51-198,384.19-57,394.24

Finding the Fourth Proportional to 132,330.51, 198,384.19 and 57,394.24

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Solution

The fourth proportional to 132,330.51, 198,384.19 and 57,394.24 is: 86,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,330.51 : 198,384.19 = 57,394.24 : x
  2. Step 2: Convert to fraction form
    132,330.51/198,384.19 = 57,394.24/x
  3. Step 3: Cross multiply
    132,330.51x = 198,384.19 × 57,394.24
  4. Step 4: Simplify right side
    132,330.51x = 11,386,109,173.62
  5. Step 5: Solve for x
    x = 11,386,109,173.62/132,330.51
  6. Step 6: Final answer
    x = 86,042.96

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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.