Home / 197,969.36-273,133.49-111,920.04

Finding the Fourth Proportional to 197,969.36, 273,133.49 and 111,920.04

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Solution

The fourth proportional to 197,969.36, 273,133.49 and 111,920.04 is: 154,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,969.36 : 273,133.49 = 111,920.04 : x
  2. Step 2: Convert to fraction form
    197,969.36/273,133.49 = 111,920.04/x
  3. Step 3: Cross multiply
    197,969.36x = 273,133.49 × 111,920.04
  4. Step 4: Simplify right side
    197,969.36x = 30,569,110,566.54
  5. Step 5: Solve for x
    x = 30,569,110,566.54/197,969.36
  6. Step 6: Final answer
    x = 154,413.35

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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.