Home / 198,862.24-274,431.06-108,218.92

Finding the Fourth Proportional to 198,862.24, 274,431.06 and 108,218.92

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Solution

The fourth proportional to 198,862.24, 274,431.06 and 108,218.92 is: 149,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,862.24 : 274,431.06 = 108,218.92 : x
  2. Step 2: Convert to fraction form
    198,862.24/274,431.06 = 108,218.92/x
  3. Step 3: Cross multiply
    198,862.24x = 274,431.06 × 108,218.92
  4. Step 4: Simplify right side
    198,862.24x = 29,698,632,927.66
  5. Step 5: Solve for x
    x = 29,698,632,927.66/198,862.24
  6. Step 6: Final answer
    x = 149,342.75

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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.