Home / 141,375.06-195,097.68-77,713.92

Finding the Fourth Proportional to 141,375.06, 195,097.68 and 77,713.92

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Solution

The fourth proportional to 141,375.06, 195,097.68 and 77,713.92 is: 107,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,375.06 : 195,097.68 = 77,713.92 : x
  2. Step 2: Convert to fraction form
    141,375.06/195,097.68 = 77,713.92/x
  3. Step 3: Cross multiply
    141,375.06x = 195,097.68 × 77,713.92
  4. Step 4: Simplify right side
    141,375.06x = 15,161,805,495.71
  5. Step 5: Solve for x
    x = 15,161,805,495.71/141,375.06
  6. Step 6: Final answer
    x = 107,245.26

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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.