Home / 141,165.02-194,769.68-80,723.20

Finding the Fourth Proportional to 141,165.02, 194,769.68 and 80,723.20

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Solution

The fourth proportional to 141,165.02, 194,769.68 and 80,723.20 is: 111,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,165.02 : 194,769.68 = 80,723.20 : x
  2. Step 2: Convert to fraction form
    141,165.02/194,769.68 = 80,723.20/x
  3. Step 3: Cross multiply
    141,165.02x = 194,769.68 × 80,723.20
  4. Step 4: Simplify right side
    141,165.02x = 15,722,431,832.58
  5. Step 5: Solve for x
    x = 15,722,431,832.58/141,165.02
  6. Step 6: Final answer
    x = 111,376.26

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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.