Home / 187,287.44-280,799.91-68,943.42

Finding the Fourth Proportional to 187,287.44, 280,799.91 and 68,943.42

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Solution

The fourth proportional to 187,287.44, 280,799.91 and 68,943.42 is: 103,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,287.44 : 280,799.91 = 68,943.42 : x
  2. Step 2: Convert to fraction form
    187,287.44/280,799.91 = 68,943.42/x
  3. Step 3: Cross multiply
    187,287.44x = 280,799.91 × 68,943.42
  4. Step 4: Simplify right side
    187,287.44x = 19,359,306,131.09
  5. Step 5: Solve for x
    x = 19,359,306,131.09/187,287.44
  6. Step 6: Final answer
    x = 103,366.82

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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.