Home / 198,112.75-296,644.24-104,421.67

Finding the Fourth Proportional to 198,112.75, 296,644.24 and 104,421.67

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Solution

The fourth proportional to 198,112.75, 296,644.24 and 104,421.67 is: 156,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,112.75 : 296,644.24 = 104,421.67 : x
  2. Step 2: Convert to fraction form
    198,112.75/296,644.24 = 104,421.67/x
  3. Step 3: Cross multiply
    198,112.75x = 296,644.24 × 104,421.67
  4. Step 4: Simplify right side
    198,112.75x = 30,976,087,994.22
  5. Step 5: Solve for x
    x = 30,976,087,994.22/198,112.75
  6. Step 6: Final answer
    x = 156,355.85

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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.