Home / 168,057.18-252,126-48,115.80

Finding the Fourth Proportional to 168,057.18, 252,126 and 48,115.80

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Solution

The fourth proportional to 168,057.18, 252,126 and 48,115.80 is: 72,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.18 : 252,126 = 48,115.80 : x
  2. Step 2: Convert to fraction form
    168,057.18/252,126 = 48,115.80/x
  3. Step 3: Cross multiply
    168,057.18x = 252,126 × 48,115.80
  4. Step 4: Simplify right side
    168,057.18x = 12,131,244,190.80
  5. Step 5: Solve for x
    x = 12,131,244,190.80/168,057.18
  6. Step 6: Final answer
    x = 72,185.22

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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.