Home / 300,835.61-451,195.09-113,861.69

Finding the Fourth Proportional to 300,835.61, 451,195.09 and 113,861.69

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Solution

The fourth proportional to 300,835.61, 451,195.09 and 113,861.69 is: 170,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,835.61 : 451,195.09 = 113,861.69 : x
  2. Step 2: Convert to fraction form
    300,835.61/451,195.09 = 113,861.69/x
  3. Step 3: Cross multiply
    300,835.61x = 451,195.09 × 113,861.69
  4. Step 4: Simplify right side
    300,835.61x = 51,373,835,467.10
  5. Step 5: Solve for x
    x = 51,373,835,467.10/300,835.61
  6. Step 6: Final answer
    x = 170,770.46

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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.