Home / 303,627.12-419,022.04-167,660.72

Finding the Fourth Proportional to 303,627.12, 419,022.04 and 167,660.72

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Solution

The fourth proportional to 303,627.12, 419,022.04 and 167,660.72 is: 231,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,627.12 : 419,022.04 = 167,660.72 : x
  2. Step 2: Convert to fraction form
    303,627.12/419,022.04 = 167,660.72/x
  3. Step 3: Cross multiply
    303,627.12x = 419,022.04 × 167,660.72
  4. Step 4: Simplify right side
    303,627.12x = 70,253,536,922.27
  5. Step 5: Solve for x
    x = 70,253,536,922.27/303,627.12
  6. Step 6: Final answer
    x = 231,380.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.