Home / 198,927.82-274,526.58-108,289.82

Finding the Fourth Proportional to 198,927.82, 274,526.58 and 108,289.82

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Solution

The fourth proportional to 198,927.82, 274,526.58 and 108,289.82 is: 149,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,927.82 : 274,526.58 = 108,289.82 : x
  2. Step 2: Convert to fraction form
    198,927.82/274,526.58 = 108,289.82/x
  3. Step 3: Cross multiply
    198,927.82x = 274,526.58 × 108,289.82
  4. Step 4: Simplify right side
    198,927.82x = 29,728,433,933.42
  5. Step 5: Solve for x
    x = 29,728,433,933.42/198,927.82
  6. Step 6: Final answer
    x = 149,443.32

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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.