Home / 188,183.30-281,905.88-109,131.44

Finding the Fourth Proportional to 188,183.30, 281,905.88 and 109,131.44

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Solution

The fourth proportional to 188,183.30, 281,905.88 and 109,131.44 is: 163,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,183.30 : 281,905.88 = 109,131.44 : x
  2. Step 2: Convert to fraction form
    188,183.30/281,905.88 = 109,131.44/x
  3. Step 3: Cross multiply
    188,183.30x = 281,905.88 × 109,131.44
  4. Step 4: Simplify right side
    188,183.30x = 30,764,795,606.46
  5. Step 5: Solve for x
    x = 30,764,795,606.46/188,183.30
  6. Step 6: Final answer
    x = 163,483.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.