Home / 199,204.41-274,902.09-109,780.41

Finding the Fourth Proportional to 199,204.41, 274,902.09 and 109,780.41

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Solution

The fourth proportional to 199,204.41, 274,902.09 and 109,780.41 is: 151,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,204.41 : 274,902.09 = 109,780.41 : x
  2. Step 2: Convert to fraction form
    199,204.41/274,902.09 = 109,780.41/x
  3. Step 3: Cross multiply
    199,204.41x = 274,902.09 × 109,780.41
  4. Step 4: Simplify right side
    199,204.41x = 30,178,864,150.06
  5. Step 5: Solve for x
    x = 30,178,864,150.06/199,204.41
  6. Step 6: Final answer
    x = 151,496.97

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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.