Home / 141,806.44-195,694.18-78,146.52

Finding the Fourth Proportional to 141,806.44, 195,694.18 and 78,146.52

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Solution

The fourth proportional to 141,806.44, 195,694.18 and 78,146.52 is: 107,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,806.44 : 195,694.18 = 78,146.52 : x
  2. Step 2: Convert to fraction form
    141,806.44/195,694.18 = 78,146.52/x
  3. Step 3: Cross multiply
    141,806.44x = 195,694.18 × 78,146.52
  4. Step 4: Simplify right side
    141,806.44x = 15,292,819,151.25
  5. Step 5: Solve for x
    x = 15,292,819,151.25/141,806.44
  6. Step 6: Final answer
    x = 107,842.91

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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.