Home / 263,650.73-363,836.19-142,789.25

Finding the Fourth Proportional to 263,650.73, 363,836.19 and 142,789.25

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Solution

The fourth proportional to 263,650.73, 363,836.19 and 142,789.25 is: 197,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,650.73 : 363,836.19 = 142,789.25 : x
  2. Step 2: Convert to fraction form
    263,650.73/363,836.19 = 142,789.25/x
  3. Step 3: Cross multiply
    263,650.73x = 363,836.19 × 142,789.25
  4. Step 4: Simplify right side
    263,650.73x = 51,951,896,692.96
  5. Step 5: Solve for x
    x = 51,951,896,692.96/263,650.73
  6. Step 6: Final answer
    x = 197,048.18

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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.