Home / 198,864.37-274,429.97-109,440.37

Finding the Fourth Proportional to 198,864.37, 274,429.97 and 109,440.37

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Solution

The fourth proportional to 198,864.37, 274,429.97 and 109,440.37 is: 151,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,864.37 : 274,429.97 = 109,440.37 : x
  2. Step 2: Convert to fraction form
    198,864.37/274,429.97 = 109,440.37/x
  3. Step 3: Cross multiply
    198,864.37x = 274,429.97 × 109,440.37
  4. Step 4: Simplify right side
    198,864.37x = 30,033,716,083.74
  5. Step 5: Solve for x
    x = 30,033,716,083.74/198,864.37
  6. Step 6: Final answer
    x = 151,026.13

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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.