Home / 281,601.24-422,401.50-113,121.56

Finding the Fourth Proportional to 281,601.24, 422,401.50 and 113,121.56

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Solution

The fourth proportional to 281,601.24, 422,401.50 and 113,121.56 is: 169,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,601.24 : 422,401.50 = 113,121.56 : x
  2. Step 2: Convert to fraction form
    281,601.24/422,401.50 = 113,121.56/x
  3. Step 3: Cross multiply
    281,601.24x = 422,401.50 × 113,121.56
  4. Step 4: Simplify right side
    281,601.24x = 47,782,714,514.33
  5. Step 5: Solve for x
    x = 47,782,714,514.33/281,601.24
  6. Step 6: Final answer
    x = 169,682.19

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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.