Home / 203,961.12-305,910.08-104,195.04

Finding the Fourth Proportional to 203,961.12, 305,910.08 and 104,195.04

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Solution

The fourth proportional to 203,961.12, 305,910.08 and 104,195.04 is: 156,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,961.12 : 305,910.08 = 104,195.04 : x
  2. Step 2: Convert to fraction form
    203,961.12/305,910.08 = 104,195.04/x
  3. Step 3: Cross multiply
    203,961.12x = 305,910.08 × 104,195.04
  4. Step 4: Simplify right side
    203,961.12x = 31,874,313,022.00
  5. Step 5: Solve for x
    x = 31,874,313,022.00/203,961.12
  6. Step 6: Final answer
    x = 156,276.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.