Home / 199,207.11-274,905.86-108,563.10

Finding the Fourth Proportional to 199,207.11, 274,905.86 and 108,563.10

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Solution

The fourth proportional to 199,207.11, 274,905.86 and 108,563.10 is: 149,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,207.11 : 274,905.86 = 108,563.10 : x
  2. Step 2: Convert to fraction form
    199,207.11/274,905.86 = 108,563.10/x
  3. Step 3: Cross multiply
    199,207.11x = 274,905.86 × 108,563.10
  4. Step 4: Simplify right side
    199,207.11x = 29,844,632,369.77
  5. Step 5: Solve for x
    x = 29,844,632,369.77/199,207.11
  6. Step 6: Final answer
    x = 149,817.10

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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.