Home / 259,933.32-389,913.84-82,454.46

Finding the Fourth Proportional to 259,933.32, 389,913.84 and 82,454.46

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Solution

The fourth proportional to 259,933.32, 389,913.84 and 82,454.46 is: 123,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,933.32 : 389,913.84 = 82,454.46 : x
  2. Step 2: Convert to fraction form
    259,933.32/389,913.84 = 82,454.46/x
  3. Step 3: Cross multiply
    259,933.32x = 389,913.84 × 82,454.46
  4. Step 4: Simplify right side
    259,933.32x = 32,150,135,123.73
  5. Step 5: Solve for x
    x = 32,150,135,123.73/259,933.32
  6. Step 6: Final answer
    x = 123,686.09

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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.