Home / 168,841.04-253,187.70-80,119.86

Finding the Fourth Proportional to 168,841.04, 253,187.70 and 80,119.86

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Solution

The fourth proportional to 168,841.04, 253,187.70 and 80,119.86 is: 120,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,841.04 : 253,187.70 = 80,119.86 : x
  2. Step 2: Convert to fraction form
    168,841.04/253,187.70 = 80,119.86/x
  3. Step 3: Cross multiply
    168,841.04x = 253,187.70 × 80,119.86
  4. Step 4: Simplify right side
    168,841.04x = 20,285,363,077.72
  5. Step 5: Solve for x
    x = 20,285,363,077.72/168,841.04
  6. Step 6: Final answer
    x = 120,144.74

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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.