Home / 150,290.43-225,470.21-45,111.39

Finding the Fourth Proportional to 150,290.43, 225,470.21 and 45,111.39

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Solution

The fourth proportional to 150,290.43, 225,470.21 and 45,111.39 is: 67,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,290.43 : 225,470.21 = 45,111.39 : x
  2. Step 2: Convert to fraction form
    150,290.43/225,470.21 = 45,111.39/x
  3. Step 3: Cross multiply
    150,290.43x = 225,470.21 × 45,111.39
  4. Step 4: Simplify right side
    150,290.43x = 10,171,274,351.13
  5. Step 5: Solve for x
    x = 10,171,274,351.13/150,290.43
  6. Step 6: Final answer
    x = 67,677.46

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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.