Home / 198,908.96-274,490.01-108,262.67

Finding the Fourth Proportional to 198,908.96, 274,490.01 and 108,262.67

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Solution

The fourth proportional to 198,908.96, 274,490.01 and 108,262.67 is: 149,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,908.96 : 274,490.01 = 108,262.67 : x
  2. Step 2: Convert to fraction form
    198,908.96/274,490.01 = 108,262.67/x
  3. Step 3: Cross multiply
    198,908.96x = 274,490.01 × 108,262.67
  4. Step 4: Simplify right side
    198,908.96x = 29,717,019,998.48
  5. Step 5: Solve for x
    x = 29,717,019,998.48/198,908.96
  6. Step 6: Final answer
    x = 149,400.11

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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.