Home / 187,942.85-281,884.29-54,791.98

Finding the Fourth Proportional to 187,942.85, 281,884.29 and 54,791.98

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Solution

The fourth proportional to 187,942.85, 281,884.29 and 54,791.98 is: 82,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.85 : 281,884.29 = 54,791.98 : x
  2. Step 2: Convert to fraction form
    187,942.85/281,884.29 = 54,791.98/x
  3. Step 3: Cross multiply
    187,942.85x = 281,884.29 × 54,791.98
  4. Step 4: Simplify right side
    187,942.85x = 15,444,997,469.81
  5. Step 5: Solve for x
    x = 15,444,997,469.81/187,942.85
  6. Step 6: Final answer
    x = 82,179.22

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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.