Home / 222,439.92-306,963.29-120,464.55

Finding the Fourth Proportional to 222,439.92, 306,963.29 and 120,464.55

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Solution

The fourth proportional to 222,439.92, 306,963.29 and 120,464.55 is: 166,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,439.92 : 306,963.29 = 120,464.55 : x
  2. Step 2: Convert to fraction form
    222,439.92/306,963.29 = 120,464.55/x
  3. Step 3: Cross multiply
    222,439.92x = 306,963.29 × 120,464.55
  4. Step 4: Simplify right side
    222,439.92x = 36,978,192,459.23
  5. Step 5: Solve for x
    x = 36,978,192,459.23/222,439.92
  6. Step 6: Final answer
    x = 166,239.02

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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.