Home / 168,039.60-252,084.30-54,149.24

Finding the Fourth Proportional to 168,039.60, 252,084.30 and 54,149.24

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Solution

The fourth proportional to 168,039.60, 252,084.30 and 54,149.24 is: 81,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039.60 : 252,084.30 = 54,149.24 : x
  2. Step 2: Convert to fraction form
    168,039.60/252,084.30 = 54,149.24/x
  3. Step 3: Cross multiply
    168,039.60x = 252,084.30 × 54,149.24
  4. Step 4: Simplify right side
    168,039.60x = 13,650,173,260.93
  5. Step 5: Solve for x
    x = 13,650,173,260.93/168,039.60
  6. Step 6: Final answer
    x = 81,231.88

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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.