Home / 226,670.93-312,786.60-131,183.54

Finding the Fourth Proportional to 226,670.93, 312,786.60 and 131,183.54

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Solution

The fourth proportional to 226,670.93, 312,786.60 and 131,183.54 is: 181,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,670.93 : 312,786.60 = 131,183.54 : x
  2. Step 2: Convert to fraction form
    226,670.93/312,786.60 = 131,183.54/x
  3. Step 3: Cross multiply
    226,670.93x = 312,786.60 × 131,183.54
  4. Step 4: Simplify right side
    226,670.93x = 41,032,453,452.56
  5. Step 5: Solve for x
    x = 41,032,453,452.56/226,670.93
  6. Step 6: Final answer
    x = 181,022.13

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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.