Home / 198,858.26-274,424.44-109,434.26

Finding the Fourth Proportional to 198,858.26, 274,424.44 and 109,434.26

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Solution

The fourth proportional to 198,858.26, 274,424.44 and 109,434.26 is: 151,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,858.26 : 274,424.44 = 109,434.26 : x
  2. Step 2: Convert to fraction form
    198,858.26/274,424.44 = 109,434.26/x
  3. Step 3: Cross multiply
    198,858.26x = 274,424.44 × 109,434.26
  4. Step 4: Simplify right side
    198,858.26x = 30,031,435,517.31
  5. Step 5: Solve for x
    x = 30,031,435,517.31/198,858.26
  6. Step 6: Final answer
    x = 151,019.30

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1.5x scale

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.