Home / 141,256.24-194,967.18-80,861.75

Finding the Fourth Proportional to 141,256.24, 194,967.18 and 80,861.75

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Solution

The fourth proportional to 141,256.24, 194,967.18 and 80,861.75 is: 111,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,256.24 : 194,967.18 = 80,861.75 : x
  2. Step 2: Convert to fraction form
    141,256.24/194,967.18 = 80,861.75/x
  3. Step 3: Cross multiply
    141,256.24x = 194,967.18 × 80,861.75
  4. Step 4: Simplify right side
    141,256.24x = 15,765,387,367.37
  5. Step 5: Solve for x
    x = 15,765,387,367.37/141,256.24
  6. Step 6: Final answer
    x = 111,608.43

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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.