Home / 300,942.14-451,472.21-111,403.96

Finding the Fourth Proportional to 300,942.14, 451,472.21 and 111,403.96

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Solution

The fourth proportional to 300,942.14, 451,472.21 and 111,403.96 is: 167,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,942.14 : 451,472.21 = 111,403.96 : x
  2. Step 2: Convert to fraction form
    300,942.14/451,472.21 = 111,403.96/x
  3. Step 3: Cross multiply
    300,942.14x = 451,472.21 × 111,403.96
  4. Step 4: Simplify right side
    300,942.14x = 50,295,790,442.69
  5. Step 5: Solve for x
    x = 50,295,790,442.69/300,942.14
  6. Step 6: Final answer
    x = 167,127.78

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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.