Home / 198,865.05-274,433.82-109,441.05

Finding the Fourth Proportional to 198,865.05, 274,433.82 and 109,441.05

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Solution

The fourth proportional to 198,865.05, 274,433.82 and 109,441.05 is: 151,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,865.05 : 274,433.82 = 109,441.05 : x
  2. Step 2: Convert to fraction form
    198,865.05/274,433.82 = 109,441.05/x
  3. Step 3: Cross multiply
    198,865.05x = 274,433.82 × 109,441.05
  4. Step 4: Simplify right side
    198,865.05x = 30,034,324,869.11
  5. Step 5: Solve for x
    x = 30,034,324,869.11/198,865.05
  6. Step 6: Final answer
    x = 151,028.67

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1.5x scale

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.