Home / 198,775.06-274,316.80-113,908.54

Finding the Fourth Proportional to 198,775.06, 274,316.80 and 113,908.54

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Solution

The fourth proportional to 198,775.06, 274,316.80 and 113,908.54 is: 157,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,775.06 : 274,316.80 = 113,908.54 : x
  2. Step 2: Convert to fraction form
    198,775.06/274,316.80 = 113,908.54/x
  3. Step 3: Cross multiply
    198,775.06x = 274,316.80 × 113,908.54
  4. Step 4: Simplify right side
    198,775.06x = 31,247,026,185.47
  5. Step 5: Solve for x
    x = 31,247,026,185.47/198,775.06
  6. Step 6: Final answer
    x = 157,197.92

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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.