Home / 221,514.14-306,103.32-181,213.20

Finding the Fourth Proportional to 221,514.14, 306,103.32 and 181,213.20

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Solution

The fourth proportional to 221,514.14, 306,103.32 and 181,213.20 is: 250,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,514.14 : 306,103.32 = 181,213.20 : x
  2. Step 2: Convert to fraction form
    221,514.14/306,103.32 = 181,213.20/x
  3. Step 3: Cross multiply
    221,514.14x = 306,103.32 × 181,213.20
  4. Step 4: Simplify right side
    221,514.14x = 55,469,962,147.82
  5. Step 5: Solve for x
    x = 55,469,962,147.82/221,514.14
  6. Step 6: Final answer
    x = 250,412.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.