Home / 198,004.67-273,244.74-111,980.54

Finding the Fourth Proportional to 198,004.67, 273,244.74 and 111,980.54

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Solution

The fourth proportional to 198,004.67, 273,244.74 and 111,980.54 is: 154,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,004.67 : 273,244.74 = 111,980.54 : x
  2. Step 2: Convert to fraction form
    198,004.67/273,244.74 = 111,980.54/x
  3. Step 3: Cross multiply
    198,004.67x = 273,244.74 × 111,980.54
  4. Step 4: Simplify right side
    198,004.67x = 30,598,092,171.14
  5. Step 5: Solve for x
    x = 30,598,092,171.14/198,004.67
  6. Step 6: Final answer
    x = 154,532.18

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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.