Home / 141,839.03-195,735.29-77,308.83

Finding the Fourth Proportional to 141,839.03, 195,735.29 and 77,308.83

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Solution

The fourth proportional to 141,839.03, 195,735.29 and 77,308.83 is: 106,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,839.03 : 195,735.29 = 77,308.83 : x
  2. Step 2: Convert to fraction form
    141,839.03/195,735.29 = 77,308.83/x
  3. Step 3: Cross multiply
    141,839.03x = 195,735.29 × 77,308.83
  4. Step 4: Simplify right side
    141,839.03x = 15,132,065,873.07
  5. Step 5: Solve for x
    x = 15,132,065,873.07/141,839.03
  6. Step 6: Final answer
    x = 106,684.78

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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.