Home / 378,067.12-566,166.95-281,773.43

Finding the Fourth Proportional to 378,067.12, 566,166.95 and 281,773.43

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Solution

The fourth proportional to 378,067.12, 566,166.95 and 281,773.43 is: 421,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,067.12 : 566,166.95 = 281,773.43 : x
  2. Step 2: Convert to fraction form
    378,067.12/566,166.95 = 281,773.43/x
  3. Step 3: Cross multiply
    378,067.12x = 566,166.95 × 281,773.43
  4. Step 4: Simplify right side
    378,067.12x = 159,530,807,163.88
  5. Step 5: Solve for x
    x = 159,530,807,163.88/378,067.12
  6. Step 6: Final answer
    x = 421,964.24

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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.