Home / 225,908.20-338,752.86-68,107.24

Finding the Fourth Proportional to 225,908.20, 338,752.86 and 68,107.24

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Solution

The fourth proportional to 225,908.20, 338,752.86 and 68,107.24 is: 102,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,908.20 : 338,752.86 = 68,107.24 : x
  2. Step 2: Convert to fraction form
    225,908.20/338,752.86 = 68,107.24/x
  3. Step 3: Cross multiply
    225,908.20x = 338,752.86 × 68,107.24
  4. Step 4: Simplify right side
    225,908.20x = 23,071,522,336.71
  5. Step 5: Solve for x
    x = 23,071,522,336.71/225,908.20
  6. Step 6: Final answer
    x = 102,127.87

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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.