Home / 132,331.07-198,385.04-57,394.80

Finding the Fourth Proportional to 132,331.07, 198,385.04 and 57,394.80

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Solution

The fourth proportional to 132,331.07, 198,385.04 and 57,394.80 is: 86,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,331.07 : 198,385.04 = 57,394.80 : x
  2. Step 2: Convert to fraction form
    132,331.07/198,385.04 = 57,394.80/x
  3. Step 3: Cross multiply
    132,331.07x = 198,385.04 × 57,394.80
  4. Step 4: Simplify right side
    132,331.07x = 11,386,269,406.82
  5. Step 5: Solve for x
    x = 11,386,269,406.82/132,331.07
  6. Step 6: Final answer
    x = 86,043.81

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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.