Home / 263,579.31-363,645.33-161,567.91

Finding the Fourth Proportional to 263,579.31, 363,645.33 and 161,567.91

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Solution

The fourth proportional to 263,579.31, 363,645.33 and 161,567.91 is: 222,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,579.31 : 363,645.33 = 161,567.91 : x
  2. Step 2: Convert to fraction form
    263,579.31/363,645.33 = 161,567.91/x
  3. Step 3: Cross multiply
    263,579.31x = 363,645.33 × 161,567.91
  4. Step 4: Simplify right side
    263,579.31x = 58,753,415,949.36
  5. Step 5: Solve for x
    x = 58,753,415,949.36/263,579.31
  6. Step 6: Final answer
    x = 222,906.02

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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.