Home / 141,884.01-195,791.13-78,221.70

Finding the Fourth Proportional to 141,884.01, 195,791.13 and 78,221.70

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Solution

The fourth proportional to 141,884.01, 195,791.13 and 78,221.70 is: 107,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,884.01 : 195,791.13 = 78,221.70 : x
  2. Step 2: Convert to fraction form
    141,884.01/195,791.13 = 78,221.70/x
  3. Step 3: Cross multiply
    141,884.01x = 195,791.13 × 78,221.70
  4. Step 4: Simplify right side
    141,884.01x = 15,315,115,033.52
  5. Step 5: Solve for x
    x = 15,315,115,033.52/141,884.01
  6. Step 6: Final answer
    x = 107,941.09

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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.