Home / 449,254.28-673,878.70-112,293.24

Finding the Fourth Proportional to 449,254.28, 673,878.70 and 112,293.24

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Solution

The fourth proportional to 449,254.28, 673,878.70 and 112,293.24 is: 168,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,254.28 : 673,878.70 = 112,293.24 : x
  2. Step 2: Convert to fraction form
    449,254.28/673,878.70 = 112,293.24/x
  3. Step 3: Cross multiply
    449,254.28x = 673,878.70 × 112,293.24
  4. Step 4: Simplify right side
    449,254.28x = 75,672,022,589.99
  5. Step 5: Solve for x
    x = 75,672,022,589.99/449,254.28
  6. Step 6: Final answer
    x = 168,439.18

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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.