Home / 422,149.37-582,544.41-231,125.81

Finding the Fourth Proportional to 422,149.37, 582,544.41 and 231,125.81

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Solution

The fourth proportional to 422,149.37, 582,544.41 and 231,125.81 is: 318,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,149.37 : 582,544.41 = 231,125.81 : x
  2. Step 2: Convert to fraction form
    422,149.37/582,544.41 = 231,125.81/x
  3. Step 3: Cross multiply
    422,149.37x = 582,544.41 × 231,125.81
  4. Step 4: Simplify right side
    422,149.37x = 134,641,047,743.68
  5. Step 5: Solve for x
    x = 134,641,047,743.68/422,149.37
  6. Step 6: Final answer
    x = 318,941.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.