Home / 141,601.38-195,408.36-77,937.81

Finding the Fourth Proportional to 141,601.38, 195,408.36 and 77,937.81

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Solution

The fourth proportional to 141,601.38, 195,408.36 and 77,937.81 is: 107,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,601.38 : 195,408.36 = 77,937.81 : x
  2. Step 2: Convert to fraction form
    141,601.38/195,408.36 = 77,937.81/x
  3. Step 3: Cross multiply
    141,601.38x = 195,408.36 × 77,937.81
  4. Step 4: Simplify right side
    141,601.38x = 15,229,699,634.09
  5. Step 5: Solve for x
    x = 15,229,699,634.09/141,601.38
  6. Step 6: Final answer
    x = 107,553.33

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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.