Home / 150,579.20-225,524.05-75,720.62

Finding the Fourth Proportional to 150,579.20, 225,524.05 and 75,720.62

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Solution

The fourth proportional to 150,579.20, 225,524.05 and 75,720.62 is: 113,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,579.20 : 225,524.05 = 75,720.62 : x
  2. Step 2: Convert to fraction form
    150,579.20/225,524.05 = 75,720.62/x
  3. Step 3: Cross multiply
    150,579.20x = 225,524.05 × 75,720.62
  4. Step 4: Simplify right side
    150,579.20x = 17,076,821,265.42
  5. Step 5: Solve for x
    x = 17,076,821,265.42/150,579.20
  6. Step 6: Final answer
    x = 113,407.57

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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.