Home / 168,788.18-253,306.70-80,041.94

Finding the Fourth Proportional to 168,788.18, 253,306.70 and 80,041.94

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Solution

The fourth proportional to 168,788.18, 253,306.70 and 80,041.94 is: 120,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,788.18 : 253,306.70 = 80,041.94 : x
  2. Step 2: Convert to fraction form
    168,788.18/253,306.70 = 80,041.94/x
  3. Step 3: Cross multiply
    168,788.18x = 253,306.70 × 80,041.94
  4. Step 4: Simplify right side
    168,788.18x = 20,275,158,016.25
  5. Step 5: Solve for x
    x = 20,275,158,016.25/168,788.18
  6. Step 6: Final answer
    x = 120,121.91

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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.