Home / 141,624.74-195,449.16-77,961.86

Finding the Fourth Proportional to 141,624.74, 195,449.16 and 77,961.86

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Solution

The fourth proportional to 141,624.74, 195,449.16 and 77,961.86 is: 107,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,624.74 : 195,449.16 = 77,961.86 : x
  2. Step 2: Convert to fraction form
    141,624.74/195,449.16 = 77,961.86/x
  3. Step 3: Cross multiply
    141,624.74x = 195,449.16 × 77,961.86
  4. Step 4: Simplify right side
    141,624.74x = 15,237,580,049.04
  5. Step 5: Solve for x
    x = 15,237,580,049.04/141,624.74
  6. Step 6: Final answer
    x = 107,591.23

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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.