Home / 414,112.82-621,183.03-114,568.31

Finding the Fourth Proportional to 414,112.82, 621,183.03 and 114,568.31

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Solution

The fourth proportional to 414,112.82, 621,183.03 and 114,568.31 is: 171,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,112.82 : 621,183.03 = 114,568.31 : x
  2. Step 2: Convert to fraction form
    414,112.82/621,183.03 = 114,568.31/x
  3. Step 3: Cross multiply
    414,112.82x = 621,183.03 × 114,568.31
  4. Step 4: Simplify right side
    414,112.82x = 71,167,889,947.78
  5. Step 5: Solve for x
    x = 71,167,889,947.78/414,112.82
  6. Step 6: Final answer
    x = 171,856.28

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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.