Home / 141,607.35-195,418.20-77,944.70

Finding the Fourth Proportional to 141,607.35, 195,418.20 and 77,944.70

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Solution

The fourth proportional to 141,607.35, 195,418.20 and 77,944.70 is: 107,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,607.35 : 195,418.20 = 77,944.70 : x
  2. Step 2: Convert to fraction form
    141,607.35/195,418.20 = 77,944.70/x
  3. Step 3: Cross multiply
    141,607.35x = 195,418.20 × 77,944.70
  4. Step 4: Simplify right side
    141,607.35x = 15,231,812,288.74
  5. Step 5: Solve for x
    x = 15,231,812,288.74/141,607.35
  6. Step 6: Final answer
    x = 107,563.71

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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.