Home / 199,208.36-274,903.98-108,563.78

Finding the Fourth Proportional to 199,208.36, 274,903.98 and 108,563.78

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Solution

The fourth proportional to 199,208.36, 274,903.98 and 108,563.78 is: 149,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208.36 : 274,903.98 = 108,563.78 : x
  2. Step 2: Convert to fraction form
    199,208.36/274,903.98 = 108,563.78/x
  3. Step 3: Cross multiply
    199,208.36x = 274,903.98 × 108,563.78
  4. Step 4: Simplify right side
    199,208.36x = 29,844,615,205.84
  5. Step 5: Solve for x
    x = 29,844,615,205.84/199,208.36
  6. Step 6: Final answer
    x = 149,816.08

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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.