Home / 129,616.73-194,418.60-50,745.41

Finding the Fourth Proportional to 129,616.73, 194,418.60 and 50,745.41

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Solution

The fourth proportional to 129,616.73, 194,418.60 and 50,745.41 is: 76,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,616.73 : 194,418.60 = 50,745.41 : x
  2. Step 2: Convert to fraction form
    129,616.73/194,418.60 = 50,745.41/x
  3. Step 3: Cross multiply
    129,616.73x = 194,418.60 × 50,745.41
  4. Step 4: Simplify right side
    129,616.73x = 9,865,851,568.63
  5. Step 5: Solve for x
    x = 9,865,851,568.63/129,616.73
  6. Step 6: Final answer
    x = 76,115.57

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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.