Home / 259,584.96-389,297.04-109,822.56

Finding the Fourth Proportional to 259,584.96, 389,297.04 and 109,822.56

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Solution

The fourth proportional to 259,584.96, 389,297.04 and 109,822.56 is: 164,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,584.96 : 389,297.04 = 109,822.56 : x
  2. Step 2: Convert to fraction form
    259,584.96/389,297.04 = 109,822.56/x
  3. Step 3: Cross multiply
    259,584.96x = 389,297.04 × 109,822.56
  4. Step 4: Simplify right side
    259,584.96x = 42,753,597,533.22
  5. Step 5: Solve for x
    x = 42,753,597,533.22/259,584.96
  6. Step 6: Final answer
    x = 164,699.83

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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.