Home / 187,822.22-281,766.14-82,638.46

Finding the Fourth Proportional to 187,822.22, 281,766.14 and 82,638.46

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Solution

The fourth proportional to 187,822.22, 281,766.14 and 82,638.46 is: 123,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,822.22 : 281,766.14 = 82,638.46 : x
  2. Step 2: Convert to fraction form
    187,822.22/281,766.14 = 82,638.46/x
  3. Step 3: Cross multiply
    187,822.22x = 281,766.14 × 82,638.46
  4. Step 4: Simplify right side
    187,822.22x = 23,284,719,889.74
  5. Step 5: Solve for x
    x = 23,284,719,889.74/187,822.22
  6. Step 6: Final answer
    x = 123,972.13

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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.