Home / 268,206.91-370,125.78-147,348.43

Finding the Fourth Proportional to 268,206.91, 370,125.78 and 147,348.43

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Solution

The fourth proportional to 268,206.91, 370,125.78 and 147,348.43 is: 203,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,206.91 : 370,125.78 = 147,348.43 : x
  2. Step 2: Convert to fraction form
    268,206.91/370,125.78 = 147,348.43/x
  3. Step 3: Cross multiply
    268,206.91x = 370,125.78 × 147,348.43
  4. Step 4: Simplify right side
    268,206.91x = 54,537,452,585.53
  5. Step 5: Solve for x
    x = 54,537,452,585.53/268,206.91
  6. Step 6: Final answer
    x = 203,340.97

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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.