Home / 199,183.05-298,773.75-80,853.39

Finding the Fourth Proportional to 199,183.05, 298,773.75 and 80,853.39

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Solution

The fourth proportional to 199,183.05, 298,773.75 and 80,853.39 is: 121,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,183.05 : 298,773.75 = 80,853.39 : x
  2. Step 2: Convert to fraction form
    199,183.05/298,773.75 = 80,853.39/x
  3. Step 3: Cross multiply
    199,183.05x = 298,773.75 × 80,853.39
  4. Step 4: Simplify right side
    199,183.05x = 24,156,870,530.51
  5. Step 5: Solve for x
    x = 24,156,870,530.51/199,183.05
  6. Step 6: Final answer
    x = 121,279.75

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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.