Home / 300,799.31-451,199.57-123,274.44

Finding the Fourth Proportional to 300,799.31, 451,199.57 and 123,274.44

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Solution

The fourth proportional to 300,799.31, 451,199.57 and 123,274.44 is: 184,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,799.31 : 451,199.57 = 123,274.44 : x
  2. Step 2: Convert to fraction form
    300,799.31/451,199.57 = 123,274.44/x
  3. Step 3: Cross multiply
    300,799.31x = 451,199.57 × 123,274.44
  4. Step 4: Simplify right side
    300,799.31x = 55,621,373,703.62
  5. Step 5: Solve for x
    x = 55,621,373,703.62/300,799.31
  6. Step 6: Final answer
    x = 184,911.91

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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.