Home / 198,601.52-274,075.43-107,963.57

Finding the Fourth Proportional to 198,601.52, 274,075.43 and 107,963.57

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Solution

The fourth proportional to 198,601.52, 274,075.43 and 107,963.57 is: 148,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,601.52 : 274,075.43 = 107,963.57 : x
  2. Step 2: Convert to fraction form
    198,601.52/274,075.43 = 107,963.57/x
  3. Step 3: Cross multiply
    198,601.52x = 274,075.43 × 107,963.57
  4. Step 4: Simplify right side
    198,601.52x = 29,590,159,961.89
  5. Step 5: Solve for x
    x = 29,590,159,961.89/198,601.52
  6. Step 6: Final answer
    x = 148,992.62

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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.