Home / 198,579.33-274,041.33-107,935.50

Finding the Fourth Proportional to 198,579.33, 274,041.33 and 107,935.50

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Solution

The fourth proportional to 198,579.33, 274,041.33 and 107,935.50 is: 148,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,579.33 : 274,041.33 = 107,935.50 : x
  2. Step 2: Convert to fraction form
    198,579.33/274,041.33 = 107,935.50/x
  3. Step 3: Cross multiply
    198,579.33x = 274,041.33 × 107,935.50
  4. Step 4: Simplify right side
    198,579.33x = 29,578,787,974.22
  5. Step 5: Solve for x
    x = 29,578,787,974.22/198,579.33
  6. Step 6: Final answer
    x = 148,952.00

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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.