Home / 187,669.44-281,378.61-103,469.94

Finding the Fourth Proportional to 187,669.44, 281,378.61 and 103,469.94

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Solution

The fourth proportional to 187,669.44, 281,378.61 and 103,469.94 is: 155,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,669.44 : 281,378.61 = 103,469.94 : x
  2. Step 2: Convert to fraction form
    187,669.44/281,378.61 = 103,469.94/x
  3. Step 3: Cross multiply
    187,669.44x = 281,378.61 × 103,469.94
  4. Step 4: Simplify right side
    187,669.44x = 29,114,227,893.98
  5. Step 5: Solve for x
    x = 29,114,227,893.98/187,669.44
  6. Step 6: Final answer
    x = 155,135.69

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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.