Home / 198,849.48-274,409.28-108,206.34

Finding the Fourth Proportional to 198,849.48, 274,409.28 and 108,206.34

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Solution

The fourth proportional to 198,849.48, 274,409.28 and 108,206.34 is: 149,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,849.48 : 274,409.28 = 108,206.34 : x
  2. Step 2: Convert to fraction form
    198,849.48/274,409.28 = 108,206.34/x
  3. Step 3: Cross multiply
    198,849.48x = 274,409.28 × 108,206.34
  4. Step 4: Simplify right side
    198,849.48x = 29,692,823,850.84
  5. Step 5: Solve for x
    x = 29,692,823,850.84/198,849.48
  6. Step 6: Final answer
    x = 149,323.12

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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.