Home / 168,040.58-252,165.97-68,200.77

Finding the Fourth Proportional to 168,040.58, 252,165.97 and 68,200.77

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Solution

The fourth proportional to 168,040.58, 252,165.97 and 68,200.77 is: 102,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,040.58 : 252,165.97 = 68,200.77 : x
  2. Step 2: Convert to fraction form
    168,040.58/252,165.97 = 68,200.77/x
  3. Step 3: Cross multiply
    168,040.58x = 252,165.97 × 68,200.77
  4. Step 4: Simplify right side
    168,040.58x = 17,197,913,321.80
  5. Step 5: Solve for x
    x = 17,197,913,321.80/168,040.58
  6. Step 6: Final answer
    x = 102,343.81

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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.