Home / 150,514.56-225,907.20-80,453.76

Finding the Fourth Proportional to 150,514.56, 225,907.20 and 80,453.76

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Solution

The fourth proportional to 150,514.56, 225,907.20 and 80,453.76 is: 120,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,514.56 : 225,907.20 = 80,453.76 : x
  2. Step 2: Convert to fraction form
    150,514.56/225,907.20 = 80,453.76/x
  3. Step 3: Cross multiply
    150,514.56x = 225,907.20 × 80,453.76
  4. Step 4: Simplify right side
    150,514.56x = 18,175,083,651.07
  5. Step 5: Solve for x
    x = 18,175,083,651.07/150,514.56
  6. Step 6: Final answer
    x = 120,752.99

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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.