Home / 203,028.27-280,179.64-109,893.97

Finding the Fourth Proportional to 203,028.27, 280,179.64 and 109,893.97

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Solution

The fourth proportional to 203,028.27, 280,179.64 and 109,893.97 is: 151,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,028.27 : 280,179.64 = 109,893.97 : x
  2. Step 2: Convert to fraction form
    203,028.27/280,179.64 = 109,893.97/x
  3. Step 3: Cross multiply
    203,028.27x = 280,179.64 × 109,893.97
  4. Step 4: Simplify right side
    203,028.27x = 30,790,052,952.77
  5. Step 5: Solve for x
    x = 30,790,052,952.77/203,028.27
  6. Step 6: Final answer
    x = 151,654.02

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1.5x scale

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.