Home / 199,193.77-298,821.77-80,873.43

Finding the Fourth Proportional to 199,193.77, 298,821.77 and 80,873.43

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Solution

The fourth proportional to 199,193.77, 298,821.77 and 80,873.43 is: 121,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,193.77 : 298,821.77 = 80,873.43 : x
  2. Step 2: Convert to fraction form
    199,193.77/298,821.77 = 80,873.43/x
  3. Step 3: Cross multiply
    199,193.77x = 298,821.77 × 80,873.43
  4. Step 4: Simplify right side
    199,193.77x = 24,166,741,498.57
  5. Step 5: Solve for x
    x = 24,166,741,498.57/199,193.77
  6. Step 6: Final answer
    x = 121,322.78

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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.