Home / 141,353.64-195,067.44-77,694.12

Finding the Fourth Proportional to 141,353.64, 195,067.44 and 77,694.12

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Solution

The fourth proportional to 141,353.64, 195,067.44 and 77,694.12 is: 107,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.64 : 195,067.44 = 77,694.12 : x
  2. Step 2: Convert to fraction form
    141,353.64/195,067.44 = 77,694.12/x
  3. Step 3: Cross multiply
    141,353.64x = 195,067.44 × 77,694.12
  4. Step 4: Simplify right side
    141,353.64x = 15,155,593,091.45
  5. Step 5: Solve for x
    x = 15,155,593,091.45/141,353.64
  6. Step 6: Final answer
    x = 107,217.57

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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.