Home / 222,336.92-306,824.88-120,362.30

Finding the Fourth Proportional to 222,336.92, 306,824.88 and 120,362.30

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Solution

The fourth proportional to 222,336.92, 306,824.88 and 120,362.30 is: 166,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,336.92 : 306,824.88 = 120,362.30 : x
  2. Step 2: Convert to fraction form
    222,336.92/306,824.88 = 120,362.30/x
  3. Step 3: Cross multiply
    222,336.92x = 306,824.88 × 120,362.30
  4. Step 4: Simplify right side
    222,336.92x = 36,930,149,021.09
  5. Step 5: Solve for x
    x = 36,930,149,021.09/222,336.92
  6. Step 6: Final answer
    x = 166,099.94

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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.