Home / 222,234.91-306,684.98-120,260.36

Finding the Fourth Proportional to 222,234.91, 306,684.98 and 120,260.36

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Solution

The fourth proportional to 222,234.91, 306,684.98 and 120,260.36 is: 165,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,234.91 : 306,684.98 = 120,260.36 : x
  2. Step 2: Convert to fraction form
    222,234.91/306,684.98 = 120,260.36/x
  3. Step 3: Cross multiply
    222,234.91x = 306,684.98 × 120,260.36
  4. Step 4: Simplify right side
    222,234.91x = 36,882,046,747.33
  5. Step 5: Solve for x
    x = 36,882,046,747.33/222,234.91
  6. Step 6: Final answer
    x = 165,959.73

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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.