Home / 222,371.20-306,872.46-120,396.74

Finding the Fourth Proportional to 222,371.20, 306,872.46 and 120,396.74

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Solution

The fourth proportional to 222,371.20, 306,872.46 and 120,396.74 is: 166,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,371.20 : 306,872.46 = 120,396.74 : x
  2. Step 2: Convert to fraction form
    222,371.20/306,872.46 = 120,396.74/x
  3. Step 3: Cross multiply
    222,371.20x = 306,872.46 × 120,396.74
  4. Step 4: Simplify right side
    222,371.20x = 36,946,443,779.78
  5. Step 5: Solve for x
    x = 36,946,443,779.78/222,371.20
  6. Step 6: Final answer
    x = 166,147.61

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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.