Home / 198,698.24-274,205.40-108,055.06

Finding the Fourth Proportional to 198,698.24, 274,205.40 and 108,055.06

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Solution

The fourth proportional to 198,698.24, 274,205.40 and 108,055.06 is: 149,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,698.24 : 274,205.40 = 108,055.06 : x
  2. Step 2: Convert to fraction form
    198,698.24/274,205.40 = 108,055.06/x
  3. Step 3: Cross multiply
    198,698.24x = 274,205.40 × 108,055.06
  4. Step 4: Simplify right side
    198,698.24x = 29,629,280,949.32
  5. Step 5: Solve for x
    x = 29,629,280,949.32/198,698.24
  6. Step 6: Final answer
    x = 149,116.98

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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.