Home / 141,414.17-195,149.81-77,751.41

Finding the Fourth Proportional to 141,414.17, 195,149.81 and 77,751.41

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Solution

The fourth proportional to 141,414.17, 195,149.81 and 77,751.41 is: 107,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,414.17 : 195,149.81 = 77,751.41 : x
  2. Step 2: Convert to fraction form
    141,414.17/195,149.81 = 77,751.41/x
  3. Step 3: Cross multiply
    141,414.17x = 195,149.81 × 77,751.41
  4. Step 4: Simplify right side
    141,414.17x = 15,173,172,499.98
  5. Step 5: Solve for x
    x = 15,173,172,499.98/141,414.17
  6. Step 6: Final answer
    x = 107,295.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.