Home / 141,823.80-195,711.87-77,291.73

Finding the Fourth Proportional to 141,823.80, 195,711.87 and 77,291.73

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Solution

The fourth proportional to 141,823.80, 195,711.87 and 77,291.73 is: 106,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.80 : 195,711.87 = 77,291.73 : x
  2. Step 2: Convert to fraction form
    141,823.80/195,711.87 = 77,291.73/x
  3. Step 3: Cross multiply
    141,823.80x = 195,711.87 × 77,291.73
  4. Step 4: Simplify right side
    141,823.80x = 15,126,909,013.84
  5. Step 5: Solve for x
    x = 15,126,909,013.84/141,823.80
  6. Step 6: Final answer
    x = 106,659.88

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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.