Home / 141,622.38-195,438.87-77,959.71

Finding the Fourth Proportional to 141,622.38, 195,438.87 and 77,959.71

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Solution

The fourth proportional to 141,622.38, 195,438.87 and 77,959.71 is: 107,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,622.38 : 195,438.87 = 77,959.71 : x
  2. Step 2: Convert to fraction form
    141,622.38/195,438.87 = 77,959.71/x
  3. Step 3: Cross multiply
    141,622.38x = 195,438.87 × 77,959.71
  4. Step 4: Simplify right side
    141,622.38x = 15,236,357,627.93
  5. Step 5: Solve for x
    x = 15,236,357,627.93/141,622.38
  6. Step 6: Final answer
    x = 107,584.39

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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.