Home / 449,464.80-674,456.40-169,183.20

Finding the Fourth Proportional to 449,464.80, 674,456.40 and 169,183.20

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Solution

The fourth proportional to 449,464.80, 674,456.40 and 169,183.20 is: 253,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,464.80 : 674,456.40 = 169,183.20 : x
  2. Step 2: Convert to fraction form
    449,464.80/674,456.40 = 169,183.20/x
  3. Step 3: Cross multiply
    449,464.80x = 674,456.40 × 169,183.20
  4. Step 4: Simplify right side
    449,464.80x = 114,106,692,012.48
  5. Step 5: Solve for x
    x = 114,106,692,012.48/449,464.80
  6. Step 6: Final answer
    x = 253,872.37

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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.