Home / 141,151.56-194,789.33-76,620.75

Finding the Fourth Proportional to 141,151.56, 194,789.33 and 76,620.75

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Solution

The fourth proportional to 141,151.56, 194,789.33 and 76,620.75 is: 105,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,151.56 : 194,789.33 = 76,620.75 : x
  2. Step 2: Convert to fraction form
    141,151.56/194,789.33 = 76,620.75/x
  3. Step 3: Cross multiply
    141,151.56x = 194,789.33 × 76,620.75
  4. Step 4: Simplify right side
    141,151.56x = 14,924,904,556.60
  5. Step 5: Solve for x
    x = 14,924,904,556.60/141,151.56
  6. Step 6: Final answer
    x = 105,736.73

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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.