Home / 141,661.44-195,493.50-81,234.36

Finding the Fourth Proportional to 141,661.44, 195,493.50 and 81,234.36

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Solution

The fourth proportional to 141,661.44, 195,493.50 and 81,234.36 is: 112,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,661.44 : 195,493.50 = 81,234.36 : x
  2. Step 2: Convert to fraction form
    141,661.44/195,493.50 = 81,234.36/x
  3. Step 3: Cross multiply
    141,661.44x = 195,493.50 × 81,234.36
  4. Step 4: Simplify right side
    141,661.44x = 15,880,789,356.66
  5. Step 5: Solve for x
    x = 15,880,789,356.66/141,661.44
  6. Step 6: Final answer
    x = 112,103.83

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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.