Home / 268,920.45-371,107.17-148,059.27

Finding the Fourth Proportional to 268,920.45, 371,107.17 and 148,059.27

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Solution

The fourth proportional to 268,920.45, 371,107.17 and 148,059.27 is: 204,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,920.45 : 371,107.17 = 148,059.27 : x
  2. Step 2: Convert to fraction form
    268,920.45/371,107.17 = 148,059.27/x
  3. Step 3: Cross multiply
    268,920.45x = 371,107.17 × 148,059.27
  4. Step 4: Simplify right side
    268,920.45x = 54,945,856,681.97
  5. Step 5: Solve for x
    x = 54,945,856,681.97/268,920.45
  6. Step 6: Final answer
    x = 204,320.11

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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.