Home / 198,580.13-274,043.31-107,936.03

Finding the Fourth Proportional to 198,580.13, 274,043.31 and 107,936.03

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Solution

The fourth proportional to 198,580.13, 274,043.31 and 107,936.03 is: 148,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,580.13 : 274,043.31 = 107,936.03 : x
  2. Step 2: Convert to fraction form
    198,580.13/274,043.31 = 107,936.03/x
  3. Step 3: Cross multiply
    198,580.13x = 274,043.31 × 107,936.03
  4. Step 4: Simplify right side
    198,580.13x = 29,579,146,929.46
  5. Step 5: Solve for x
    x = 29,579,146,929.46/198,580.13
  6. Step 6: Final answer
    x = 148,953.21

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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.