Home / 300,944.14-451,475.21-111,405.96

Finding the Fourth Proportional to 300,944.14, 451,475.21 and 111,405.96

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Solution

The fourth proportional to 300,944.14, 451,475.21 and 111,405.96 is: 167,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,944.14 : 451,475.21 = 111,405.96 : x
  2. Step 2: Convert to fraction form
    300,944.14/451,475.21 = 111,405.96/x
  3. Step 3: Cross multiply
    300,944.14x = 451,475.21 × 111,405.96
  4. Step 4: Simplify right side
    300,944.14x = 50,297,029,186.25
  5. Step 5: Solve for x
    x = 50,297,029,186.25/300,944.14
  6. Step 6: Final answer
    x = 167,130.78

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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.