Home / 150,629.43-225,945.78-45,449.31

Finding the Fourth Proportional to 150,629.43, 225,945.78 and 45,449.31

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Solution

The fourth proportional to 150,629.43, 225,945.78 and 45,449.31 is: 68,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,629.43 : 225,945.78 = 45,449.31 : x
  2. Step 2: Convert to fraction form
    150,629.43/225,945.78 = 45,449.31/x
  3. Step 3: Cross multiply
    150,629.43x = 225,945.78 × 45,449.31
  4. Step 4: Simplify right side
    150,629.43x = 10,269,079,798.41
  5. Step 5: Solve for x
    x = 10,269,079,798.41/150,629.43
  6. Step 6: Final answer
    x = 68,174.46

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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.