Home / 222,450.20-306,979.76-120,473.32

Finding the Fourth Proportional to 222,450.20, 306,979.76 and 120,473.32

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Solution

The fourth proportional to 222,450.20, 306,979.76 and 120,473.32 is: 166,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,450.20 : 306,979.76 = 120,473.32 : x
  2. Step 2: Convert to fraction form
    222,450.20/306,979.76 = 120,473.32/x
  3. Step 3: Cross multiply
    222,450.20x = 306,979.76 × 120,473.32
  4. Step 4: Simplify right side
    222,450.20x = 36,982,870,860.00
  5. Step 5: Solve for x
    x = 36,982,870,860.00/222,450.20
  6. Step 6: Final answer
    x = 166,252.36

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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.