Home / 268,767.20-370,890.78-147,908.44

Finding the Fourth Proportional to 268,767.20, 370,890.78 and 147,908.44

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Solution

The fourth proportional to 268,767.20, 370,890.78 and 147,908.44 is: 204,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,767.20 : 370,890.78 = 147,908.44 : x
  2. Step 2: Convert to fraction form
    268,767.20/370,890.78 = 147,908.44/x
  3. Step 3: Cross multiply
    268,767.20x = 370,890.78 × 147,908.44
  4. Step 4: Simplify right side
    268,767.20x = 54,857,876,680.18
  5. Step 5: Solve for x
    x = 54,857,876,680.18/268,767.20
  6. Step 6: Final answer
    x = 204,109.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.