Home / 198,713.22-274,231.26-113,846.67

Finding the Fourth Proportional to 198,713.22, 274,231.26 and 113,846.67

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Solution

The fourth proportional to 198,713.22, 274,231.26 and 113,846.67 is: 157,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,713.22 : 274,231.26 = 113,846.67 : x
  2. Step 2: Convert to fraction form
    198,713.22/274,231.26 = 113,846.67/x
  3. Step 3: Cross multiply
    198,713.22x = 274,231.26 × 113,846.67
  4. Step 4: Simplify right side
    198,713.22x = 31,220,315,760.90
  5. Step 5: Solve for x
    x = 31,220,315,760.90/198,713.22
  6. Step 6: Final answer
    x = 157,112.42

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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.