Home / 193,183.20-289,429.20-165,535.20

Finding the Fourth Proportional to 193,183.20, 289,429.20 and 165,535.20

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Solution

The fourth proportional to 193,183.20, 289,429.20 and 165,535.20 is: 248,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,183.20 : 289,429.20 = 165,535.20 : x
  2. Step 2: Convert to fraction form
    193,183.20/289,429.20 = 165,535.20/x
  3. Step 3: Cross multiply
    193,183.20x = 289,429.20 × 165,535.20
  4. Step 4: Simplify right side
    193,183.20x = 47,910,720,507.84
  5. Step 5: Solve for x
    x = 47,910,720,507.84/193,183.20
  6. Step 6: Final answer
    x = 248,006.66

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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.