Home / 449,249.28-673,871.20-112,288.24

Finding the Fourth Proportional to 449,249.28, 673,871.20 and 112,288.24

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Solution

The fourth proportional to 449,249.28, 673,871.20 and 112,288.24 is: 168,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,249.28 : 673,871.20 = 112,288.24 : x
  2. Step 2: Convert to fraction form
    449,249.28/673,871.20 = 112,288.24/x
  3. Step 3: Cross multiply
    449,249.28x = 673,871.20 × 112,288.24
  4. Step 4: Simplify right side
    449,249.28x = 75,667,811,034.69
  5. Step 5: Solve for x
    x = 75,667,811,034.69/449,249.28
  6. Step 6: Final answer
    x = 168,431.68

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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.