Home / 150,311.43-225,501.71-45,132.39

Finding the Fourth Proportional to 150,311.43, 225,501.71 and 45,132.39

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Solution

The fourth proportional to 150,311.43, 225,501.71 and 45,132.39 is: 67,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,311.43 : 225,501.71 = 45,132.39 : x
  2. Step 2: Convert to fraction form
    150,311.43/225,501.71 = 45,132.39/x
  3. Step 3: Cross multiply
    150,311.43x = 225,501.71 × 45,132.39
  4. Step 4: Simplify right side
    150,311.43x = 10,177,430,895.72
  5. Step 5: Solve for x
    x = 10,177,430,895.72/150,311.43
  6. Step 6: Final answer
    x = 67,708.96

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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.