Home / 100,192.62-150,311.97-30,073.26

Finding the Fourth Proportional to 100,192.62, 150,311.97 and 30,073.26

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Solution

The fourth proportional to 100,192.62, 150,311.97 and 30,073.26 is: 45,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,192.62 : 150,311.97 = 30,073.26 : x
  2. Step 2: Convert to fraction form
    100,192.62/150,311.97 = 30,073.26/x
  3. Step 3: Cross multiply
    100,192.62x = 150,311.97 × 30,073.26
  4. Step 4: Simplify right side
    100,192.62x = 4,520,370,954.92
  5. Step 5: Solve for x
    x = 4,520,370,954.92/100,192.62
  6. Step 6: Final answer
    x = 45,116.81

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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.