Home / 223,418.37-335,022.26-81,163.34

Finding the Fourth Proportional to 223,418.37, 335,022.26 and 81,163.34

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Solution

The fourth proportional to 223,418.37, 335,022.26 and 81,163.34 is: 121,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,418.37 : 335,022.26 = 81,163.34 : x
  2. Step 2: Convert to fraction form
    223,418.37/335,022.26 = 81,163.34/x
  3. Step 3: Cross multiply
    223,418.37x = 335,022.26 × 81,163.34
  4. Step 4: Simplify right side
    223,418.37x = 27,191,524,123.75
  5. Step 5: Solve for x
    x = 27,191,524,123.75/223,418.37
  6. Step 6: Final answer
    x = 121,706.75

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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.