Home / 150,516.38-225,745.81-75,615.73

Finding the Fourth Proportional to 150,516.38, 225,745.81 and 75,615.73

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Solution

The fourth proportional to 150,516.38, 225,745.81 and 75,615.73 is: 113,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,516.38 : 225,745.81 = 75,615.73 : x
  2. Step 2: Convert to fraction form
    150,516.38/225,745.81 = 75,615.73/x
  3. Step 3: Cross multiply
    150,516.38x = 225,745.81 × 75,615.73
  4. Step 4: Simplify right side
    150,516.38x = 17,069,934,217.59
  5. Step 5: Solve for x
    x = 17,069,934,217.59/150,516.38
  6. Step 6: Final answer
    x = 113,409.15

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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.