Home / 167,780.72-251,617.68-55,439.96

Finding the Fourth Proportional to 167,780.72, 251,617.68 and 55,439.96

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Solution

The fourth proportional to 167,780.72, 251,617.68 and 55,439.96 is: 83,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,780.72 : 251,617.68 = 55,439.96 : x
  2. Step 2: Convert to fraction form
    167,780.72/251,617.68 = 55,439.96/x
  3. Step 3: Cross multiply
    167,780.72x = 251,617.68 × 55,439.96
  4. Step 4: Simplify right side
    167,780.72x = 13,949,674,114.49
  5. Step 5: Solve for x
    x = 13,949,674,114.49/167,780.72
  6. Step 6: Final answer
    x = 83,142.29

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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.