Home / 303,629.56-419,006.07-167,660.58

Finding the Fourth Proportional to 303,629.56, 419,006.07 and 167,660.58

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Solution

The fourth proportional to 303,629.56, 419,006.07 and 167,660.58 is: 231,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629.56 : 419,006.07 = 167,660.58 : x
  2. Step 2: Convert to fraction form
    303,629.56/419,006.07 = 167,660.58/x
  3. Step 3: Cross multiply
    303,629.56x = 419,006.07 × 167,660.58
  4. Step 4: Simplify right side
    303,629.56x = 70,250,797,786.39
  5. Step 5: Solve for x
    x = 70,250,797,786.39/303,629.56
  6. Step 6: Final answer
    x = 231,370.09

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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.