Home / 198,560.77-274,015.96-107,916.73

Finding the Fourth Proportional to 198,560.77, 274,015.96 and 107,916.73

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Solution

The fourth proportional to 198,560.77, 274,015.96 and 107,916.73 is: 148,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,560.77 : 274,015.96 = 107,916.73 : x
  2. Step 2: Convert to fraction form
    198,560.77/274,015.96 = 107,916.73/x
  3. Step 3: Cross multiply
    198,560.77x = 274,015.96 × 107,916.73
  4. Step 4: Simplify right side
    198,560.77x = 29,570,905,416.18
  5. Step 5: Solve for x
    x = 29,570,905,416.18/198,560.77
  6. Step 6: Final answer
    x = 148,926.22

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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.