Home / 141,491.88-195,263.94-77,834.52

Finding the Fourth Proportional to 141,491.88, 195,263.94 and 77,834.52

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Solution

The fourth proportional to 141,491.88, 195,263.94 and 77,834.52 is: 107,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,491.88 : 195,263.94 = 77,834.52 : x
  2. Step 2: Convert to fraction form
    141,491.88/195,263.94 = 77,834.52/x
  3. Step 3: Cross multiply
    141,491.88x = 195,263.94 × 77,834.52
  4. Step 4: Simplify right side
    141,491.88x = 15,198,275,043.21
  5. Step 5: Solve for x
    x = 15,198,275,043.21/141,491.88
  6. Step 6: Final answer
    x = 107,414.47

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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.