Home / 177,711.84-266,338.13-132,987.69

Finding the Fourth Proportional to 177,711.84, 266,338.13 and 132,987.69

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Solution

The fourth proportional to 177,711.84, 266,338.13 and 132,987.69 is: 199,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,711.84 : 266,338.13 = 132,987.69 : x
  2. Step 2: Convert to fraction form
    177,711.84/266,338.13 = 132,987.69/x
  3. Step 3: Cross multiply
    177,711.84x = 266,338.13 × 132,987.69
  4. Step 4: Simplify right side
    177,711.84x = 35,419,693,001.00
  5. Step 5: Solve for x
    x = 35,419,693,001.00/177,711.84
  6. Step 6: Final answer
    x = 199,309.69

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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.