Home / 150,640.10-225,961.44-38,320.42

Finding the Fourth Proportional to 150,640.10, 225,961.44 and 38,320.42

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Solution

The fourth proportional to 150,640.10, 225,961.44 and 38,320.42 is: 57,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,640.10 : 225,961.44 = 38,320.42 : x
  2. Step 2: Convert to fraction form
    150,640.10/225,961.44 = 38,320.42/x
  3. Step 3: Cross multiply
    150,640.10x = 225,961.44 × 38,320.42
  4. Step 4: Simplify right side
    150,640.10x = 8,658,936,154.80
  5. Step 5: Solve for x
    x = 8,658,936,154.80/150,640.10
  6. Step 6: Final answer
    x = 57,480.95

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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.