Home / 269,200.20-371,480.94-154,454.52

Finding the Fourth Proportional to 269,200.20, 371,480.94 and 154,454.52

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Solution

The fourth proportional to 269,200.20, 371,480.94 and 154,454.52 is: 213,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,200.20 : 371,480.94 = 154,454.52 : x
  2. Step 2: Convert to fraction form
    269,200.20/371,480.94 = 154,454.52/x
  3. Step 3: Cross multiply
    269,200.20x = 371,480.94 × 154,454.52
  4. Step 4: Simplify right side
    269,200.20x = 57,376,910,276.85
  5. Step 5: Solve for x
    x = 57,376,910,276.85/269,200.20
  6. Step 6: Final answer
    x = 213,138.44

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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.