Home / 225,819.83-338,622.49-131,079.25

Finding the Fourth Proportional to 225,819.83, 338,622.49 and 131,079.25

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Solution

The fourth proportional to 225,819.83, 338,622.49 and 131,079.25 is: 196,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,819.83 : 338,622.49 = 131,079.25 : x
  2. Step 2: Convert to fraction form
    225,819.83/338,622.49 = 131,079.25/x
  3. Step 3: Cross multiply
    225,819.83x = 338,622.49 × 131,079.25
  4. Step 4: Simplify right side
    225,819.83x = 44,386,382,022.33
  5. Step 5: Solve for x
    x = 44,386,382,022.33/225,819.83
  6. Step 6: Final answer
    x = 196,556.62

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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.