Home / 141,796.43-195,683.24-78,138.33

Finding the Fourth Proportional to 141,796.43, 195,683.24 and 78,138.33

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Solution

The fourth proportional to 141,796.43, 195,683.24 and 78,138.33 is: 107,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796.43 : 195,683.24 = 78,138.33 : x
  2. Step 2: Convert to fraction form
    141,796.43/195,683.24 = 78,138.33/x
  3. Step 3: Cross multiply
    141,796.43x = 195,683.24 × 78,138.33
  4. Step 4: Simplify right side
    141,796.43x = 15,290,361,582.59
  5. Step 5: Solve for x
    x = 15,290,361,582.59/141,796.43
  6. Step 6: Final answer
    x = 107,833.19

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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.