Home / 225,715.28-338,281.32-107,422.88

Finding the Fourth Proportional to 225,715.28, 338,281.32 and 107,422.88

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Solution

The fourth proportional to 225,715.28, 338,281.32 and 107,422.88 is: 160,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,715.28 : 338,281.32 = 107,422.88 : x
  2. Step 2: Convert to fraction form
    225,715.28/338,281.32 = 107,422.88/x
  3. Step 3: Cross multiply
    225,715.28x = 338,281.32 × 107,422.88
  4. Step 4: Simplify right side
    225,715.28x = 36,339,153,644.60
  5. Step 5: Solve for x
    x = 36,339,153,644.60/225,715.28
  6. Step 6: Final answer
    x = 160,995.54

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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.