Home / 197,960.67-273,121.50-111,911.33

Finding the Fourth Proportional to 197,960.67, 273,121.50 and 111,911.33

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Solution

The fourth proportional to 197,960.67, 273,121.50 and 111,911.33 is: 154,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,960.67 : 273,121.50 = 111,911.33 : x
  2. Step 2: Convert to fraction form
    197,960.67/273,121.50 = 111,911.33/x
  3. Step 3: Cross multiply
    197,960.67x = 273,121.50 × 111,911.33
  4. Step 4: Simplify right side
    197,960.67x = 30,565,390,316.60
  5. Step 5: Solve for x
    x = 30,565,390,316.60/197,960.67
  6. Step 6: Final answer
    x = 154,401.33

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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.