Home / 198,198.56-273,551.76-117,670.24

Finding the Fourth Proportional to 198,198.56, 273,551.76 and 117,670.24

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Solution

The fourth proportional to 198,198.56, 273,551.76 and 117,670.24 is: 162,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,198.56 : 273,551.76 = 117,670.24 : x
  2. Step 2: Convert to fraction form
    198,198.56/273,551.76 = 117,670.24/x
  3. Step 3: Cross multiply
    198,198.56x = 273,551.76 × 117,670.24
  4. Step 4: Simplify right side
    198,198.56x = 32,188,901,251.62
  5. Step 5: Solve for x
    x = 32,188,901,251.62/198,198.56
  6. Step 6: Final answer
    x = 162,407.34

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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.