Home / 185,429.12-255,892.29-100,546.18

Finding the Fourth Proportional to 185,429.12, 255,892.29 and 100,546.18

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Solution

The fourth proportional to 185,429.12, 255,892.29 and 100,546.18 is: 138,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.12 : 255,892.29 = 100,546.18 : x
  2. Step 2: Convert to fraction form
    185,429.12/255,892.29 = 100,546.18/x
  3. Step 3: Cross multiply
    185,429.12x = 255,892.29 × 100,546.18
  4. Step 4: Simplify right side
    185,429.12x = 25,728,991,234.17
  5. Step 5: Solve for x
    x = 25,728,991,234.17/185,429.12
  6. Step 6: Final answer
    x = 138,753.78

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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.