Home / 481,723.16-722,319.30-165,919.64

Finding the Fourth Proportional to 481,723.16, 722,319.30 and 165,919.64

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Solution

The fourth proportional to 481,723.16, 722,319.30 and 165,919.64 is: 248,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,723.16 : 722,319.30 = 165,919.64 : x
  2. Step 2: Convert to fraction form
    481,723.16/722,319.30 = 165,919.64/x
  3. Step 3: Cross multiply
    481,723.16x = 722,319.30 × 165,919.64
  4. Step 4: Simplify right side
    481,723.16x = 119,846,958,221.05
  5. Step 5: Solve for x
    x = 119,846,958,221.05/481,723.16
  6. Step 6: Final answer
    x = 248,788.03

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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.