Home / 225,839.11-338,651.36-131,098.34

Finding the Fourth Proportional to 225,839.11, 338,651.36 and 131,098.34

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Solution

The fourth proportional to 225,839.11, 338,651.36 and 131,098.34 is: 196,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,839.11 : 338,651.36 = 131,098.34 : x
  2. Step 2: Convert to fraction form
    225,839.11/338,651.36 = 131,098.34/x
  3. Step 3: Cross multiply
    225,839.11x = 338,651.36 × 131,098.34
  4. Step 4: Simplify right side
    225,839.11x = 44,396,628,785.99
  5. Step 5: Solve for x
    x = 44,396,628,785.99/225,839.11
  6. Step 6: Final answer
    x = 196,585.21

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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.