Home / 199,209.36-274,900.89-108,563.39

Finding the Fourth Proportional to 199,209.36, 274,900.89 and 108,563.39

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Solution

The fourth proportional to 199,209.36, 274,900.89 and 108,563.39 is: 149,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,209.36 : 274,900.89 = 108,563.39 : x
  2. Step 2: Convert to fraction form
    199,209.36/274,900.89 = 108,563.39/x
  3. Step 3: Cross multiply
    199,209.36x = 274,900.89 × 108,563.39
  4. Step 4: Simplify right side
    199,209.36x = 29,844,171,157.91
  5. Step 5: Solve for x
    x = 29,844,171,157.91/199,209.36
  6. Step 6: Final answer
    x = 149,813.10

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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.