Home / 168,060.75-252,086.05-68,218.53

Finding the Fourth Proportional to 168,060.75, 252,086.05 and 68,218.53

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Solution

The fourth proportional to 168,060.75, 252,086.05 and 68,218.53 is: 102,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,060.75 : 252,086.05 = 68,218.53 : x
  2. Step 2: Convert to fraction form
    168,060.75/252,086.05 = 68,218.53/x
  3. Step 3: Cross multiply
    168,060.75x = 252,086.05 × 68,218.53
  4. Step 4: Simplify right side
    168,060.75x = 17,196,939,764.51
  5. Step 5: Solve for x
    x = 17,196,939,764.51/168,060.75
  6. Step 6: Final answer
    x = 102,325.73

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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.