Home / 132,332.49-198,387.14-57,396.20

Finding the Fourth Proportional to 132,332.49, 198,387.14 and 57,396.20

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Solution

The fourth proportional to 132,332.49, 198,387.14 and 57,396.20 is: 86,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,332.49 : 198,387.14 = 57,396.20 : x
  2. Step 2: Convert to fraction form
    132,332.49/198,387.14 = 57,396.20/x
  3. Step 3: Cross multiply
    132,332.49x = 198,387.14 × 57,396.20
  4. Step 4: Simplify right side
    132,332.49x = 11,386,666,685.95
  5. Step 5: Solve for x
    x = 11,386,666,685.95/132,332.49
  6. Step 6: Final answer
    x = 86,045.89

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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.