Home / 141,255.24-194,965.80-80,860.75

Finding the Fourth Proportional to 141,255.24, 194,965.80 and 80,860.75

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Solution

The fourth proportional to 141,255.24, 194,965.80 and 80,860.75 is: 111,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,255.24 : 194,965.80 = 80,860.75 : x
  2. Step 2: Convert to fraction form
    141,255.24/194,965.80 = 80,860.75/x
  3. Step 3: Cross multiply
    141,255.24x = 194,965.80 × 80,860.75
  4. Step 4: Simplify right side
    141,255.24x = 15,765,080,812.35
  5. Step 5: Solve for x
    x = 15,765,080,812.35/141,255.24
  6. Step 6: Final answer
    x = 111,607.05

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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.