Home / 141,943.28-195,884.52-91,729.76

Finding the Fourth Proportional to 141,943.28, 195,884.52 and 91,729.76

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Solution

The fourth proportional to 141,943.28, 195,884.52 and 91,729.76 is: 126,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,943.28 : 195,884.52 = 91,729.76 : x
  2. Step 2: Convert to fraction form
    141,943.28/195,884.52 = 91,729.76/x
  3. Step 3: Cross multiply
    141,943.28x = 195,884.52 × 91,729.76
  4. Step 4: Simplify right side
    141,943.28x = 17,968,440,007.32
  5. Step 5: Solve for x
    x = 17,968,440,007.32/141,943.28
  6. Step 6: Final answer
    x = 126,588.87

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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.