Home / 187,943.03-281,241.11-162,729.53

Finding the Fourth Proportional to 187,943.03, 281,241.11 and 162,729.53

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Solution

The fourth proportional to 187,943.03, 281,241.11 and 162,729.53 is: 243,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,943.03 : 281,241.11 = 162,729.53 : x
  2. Step 2: Convert to fraction form
    187,943.03/281,241.11 = 162,729.53/x
  3. Step 3: Cross multiply
    187,943.03x = 281,241.11 × 162,729.53
  4. Step 4: Simplify right side
    187,943.03x = 45,766,233,646.98
  5. Step 5: Solve for x
    x = 45,766,233,646.98/187,943.03
  6. Step 6: Final answer
    x = 243,511.20

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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.