Home / 150,022.13-225,143.96-71,136.63

Finding the Fourth Proportional to 150,022.13, 225,143.96 and 71,136.63

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Solution

The fourth proportional to 150,022.13, 225,143.96 and 71,136.63 is: 106,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,022.13 : 225,143.96 = 71,136.63 : x
  2. Step 2: Convert to fraction form
    150,022.13/225,143.96 = 71,136.63/x
  3. Step 3: Cross multiply
    150,022.13x = 225,143.96 × 71,136.63
  4. Step 4: Simplify right side
    150,022.13x = 16,015,982,223.57
  5. Step 5: Solve for x
    x = 16,015,982,223.57/150,022.13
  6. Step 6: Final answer
    x = 106,757.47

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1.5x scale

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.