Home / 141,605.88-195,414.54-77,942.34

Finding the Fourth Proportional to 141,605.88, 195,414.54 and 77,942.34

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Solution

The fourth proportional to 141,605.88, 195,414.54 and 77,942.34 is: 107,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,605.88 : 195,414.54 = 77,942.34 : x
  2. Step 2: Convert to fraction form
    141,605.88/195,414.54 = 77,942.34/x
  3. Step 3: Cross multiply
    141,605.88x = 195,414.54 × 77,942.34
  4. Step 4: Simplify right side
    141,605.88x = 15,231,066,517.62
  5. Step 5: Solve for x
    x = 15,231,066,517.62/141,605.88
  6. Step 6: Final answer
    x = 107,559.56

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1.5x scale

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.