Home / 141,793.55-195,609.76-90,781.77

Finding the Fourth Proportional to 141,793.55, 195,609.76 and 90,781.77

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Solution

The fourth proportional to 141,793.55, 195,609.76 and 90,781.77 is: 125,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,793.55 : 195,609.76 = 90,781.77 : x
  2. Step 2: Convert to fraction form
    141,793.55/195,609.76 = 90,781.77/x
  3. Step 3: Cross multiply
    141,793.55x = 195,609.76 × 90,781.77
  4. Step 4: Simplify right side
    141,793.55x = 17,757,800,242.08
  5. Step 5: Solve for x
    x = 17,757,800,242.08/141,793.55
  6. Step 6: Final answer
    x = 125,237.01

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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.