Home / 225,438.14-338,179.38-65,515.46

Finding the Fourth Proportional to 225,438.14, 338,179.38 and 65,515.46

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Solution

The fourth proportional to 225,438.14, 338,179.38 and 65,515.46 is: 98,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,438.14 : 338,179.38 = 65,515.46 : x
  2. Step 2: Convert to fraction form
    225,438.14/338,179.38 = 65,515.46/x
  3. Step 3: Cross multiply
    225,438.14x = 338,179.38 × 65,515.46
  4. Step 4: Simplify right side
    225,438.14x = 22,155,978,488.66
  5. Step 5: Solve for x
    x = 22,155,978,488.66/225,438.14
  6. Step 6: Final answer
    x = 98,279.64

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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.