Home / 198,717.22-274,236.78-113,850.67

Finding the Fourth Proportional to 198,717.22, 274,236.78 and 113,850.67

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Solution

The fourth proportional to 198,717.22, 274,236.78 and 113,850.67 is: 157,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,717.22 : 274,236.78 = 113,850.67 : x
  2. Step 2: Convert to fraction form
    198,717.22/274,236.78 = 113,850.67/x
  3. Step 3: Cross multiply
    198,717.22x = 274,236.78 × 113,850.67
  4. Step 4: Simplify right side
    198,717.22x = 31,222,041,141.64
  5. Step 5: Solve for x
    x = 31,222,041,141.64/198,717.22
  6. Step 6: Final answer
    x = 157,117.94

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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.