Home / 225,932.43-338,691.29-78,084.75

Finding the Fourth Proportional to 225,932.43, 338,691.29 and 78,084.75

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Solution

The fourth proportional to 225,932.43, 338,691.29 and 78,084.75 is: 117,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,932.43 : 338,691.29 = 78,084.75 : x
  2. Step 2: Convert to fraction form
    225,932.43/338,691.29 = 78,084.75/x
  3. Step 3: Cross multiply
    225,932.43x = 338,691.29 × 78,084.75
  4. Step 4: Simplify right side
    225,932.43x = 26,446,624,316.40
  5. Step 5: Solve for x
    x = 26,446,624,316.40/225,932.43
  6. Step 6: Final answer
    x = 117,055.46

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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.