Home / 198,909.96-274,491.39-108,263.67

Finding the Fourth Proportional to 198,909.96, 274,491.39 and 108,263.67

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Solution

The fourth proportional to 198,909.96, 274,491.39 and 108,263.67 is: 149,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,909.96 : 274,491.39 = 108,263.67 : x
  2. Step 2: Convert to fraction form
    198,909.96/274,491.39 = 108,263.67/x
  3. Step 3: Cross multiply
    198,909.96x = 274,491.39 × 108,263.67
  4. Step 4: Simplify right side
    198,909.96x = 29,717,445,264.80
  5. Step 5: Solve for x
    x = 29,717,445,264.80/198,909.96
  6. Step 6: Final answer
    x = 149,401.49

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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.