Home / 199,183.11-298,825.86-66,100.53

Finding the Fourth Proportional to 199,183.11, 298,825.86 and 66,100.53

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Solution

The fourth proportional to 199,183.11, 298,825.86 and 66,100.53 is: 99,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,183.11 : 298,825.86 = 66,100.53 : x
  2. Step 2: Convert to fraction form
    199,183.11/298,825.86 = 66,100.53/x
  3. Step 3: Cross multiply
    199,183.11x = 298,825.86 × 66,100.53
  4. Step 4: Simplify right side
    199,183.11x = 19,752,547,723.71
  5. Step 5: Solve for x
    x = 19,752,547,723.71/199,183.11
  6. Step 6: Final answer
    x = 99,167.78

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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.