Home / 195,581.12-269,892.61-120,115.04

Finding the Fourth Proportional to 195,581.12, 269,892.61 and 120,115.04

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Solution

The fourth proportional to 195,581.12, 269,892.61 and 120,115.04 is: 165,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,581.12 : 269,892.61 = 120,115.04 : x
  2. Step 2: Convert to fraction form
    195,581.12/269,892.61 = 120,115.04/x
  3. Step 3: Cross multiply
    195,581.12x = 269,892.61 × 120,115.04
  4. Step 4: Simplify right side
    195,581.12x = 32,418,159,996.10
  5. Step 5: Solve for x
    x = 32,418,159,996.10/195,581.12
  6. Step 6: Final answer
    x = 165,753.02

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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.