Home / 80,192.97-120,288.20-27,602.91

Finding the Fourth Proportional to 80,192.97, 120,288.20 and 27,602.91

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Solution

The fourth proportional to 80,192.97, 120,288.20 and 27,602.91 is: 41,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,192.97 : 120,288.20 = 27,602.91 : x
  2. Step 2: Convert to fraction form
    80,192.97/120,288.20 = 27,602.91/x
  3. Step 3: Cross multiply
    80,192.97x = 120,288.20 × 27,602.91
  4. Step 4: Simplify right side
    80,192.97x = 3,320,304,220.65
  5. Step 5: Solve for x
    x = 3,320,304,220.65/80,192.97
  6. Step 6: Final answer
    x = 41,403.93

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1.5x scale

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.