Home / 198,112.16-273,413.64-113,212.76

Finding the Fourth Proportional to 198,112.16, 273,413.64 and 113,212.76

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Solution

The fourth proportional to 198,112.16, 273,413.64 and 113,212.76 is: 156,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,112.16 : 273,413.64 = 113,212.76 : x
  2. Step 2: Convert to fraction form
    198,112.16/273,413.64 = 113,212.76/x
  3. Step 3: Cross multiply
    198,112.16x = 273,413.64 × 113,212.76
  4. Step 4: Simplify right side
    198,112.16x = 30,953,912,806.05
  5. Step 5: Solve for x
    x = 30,953,912,806.05/198,112.16
  6. Step 6: Final answer
    x = 156,244.39

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1.5x scale

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.