Home / 141,321.31-195,014.23-80,892.43

Finding the Fourth Proportional to 141,321.31, 195,014.23 and 80,892.43

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Solution

The fourth proportional to 141,321.31, 195,014.23 and 80,892.43 is: 111,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,321.31 : 195,014.23 = 80,892.43 : x
  2. Step 2: Convert to fraction form
    141,321.31/195,014.23 = 80,892.43/x
  3. Step 3: Cross multiply
    141,321.31x = 195,014.23 × 80,892.43
  4. Step 4: Simplify right side
    141,321.31x = 15,775,174,949.28
  5. Step 5: Solve for x
    x = 15,775,174,949.28/141,321.31
  6. Step 6: Final answer
    x = 111,626.30

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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.