Home / 141,356.33-195,069.22-77,694.11

Finding the Fourth Proportional to 141,356.33, 195,069.22 and 77,694.11

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Solution

The fourth proportional to 141,356.33, 195,069.22 and 77,694.11 is: 107,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,356.33 : 195,069.22 = 77,694.11 : x
  2. Step 2: Convert to fraction form
    141,356.33/195,069.22 = 77,694.11/x
  3. Step 3: Cross multiply
    141,356.33x = 195,069.22 × 77,694.11
  4. Step 4: Simplify right side
    141,356.33x = 15,155,729,436.29
  5. Step 5: Solve for x
    x = 15,155,729,436.29/141,356.33
  6. Step 6: Final answer
    x = 107,216.49

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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.