Home / 198,188.56-273,537.96-117,660.24

Finding the Fourth Proportional to 198,188.56, 273,537.96 and 117,660.24

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Solution

The fourth proportional to 198,188.56, 273,537.96 and 117,660.24 is: 162,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.56 : 273,537.96 = 117,660.24 : x
  2. Step 2: Convert to fraction form
    198,188.56/273,537.96 = 117,660.24/x
  3. Step 3: Cross multiply
    198,188.56x = 273,537.96 × 117,660.24
  4. Step 4: Simplify right side
    198,188.56x = 32,184,542,022.71
  5. Step 5: Solve for x
    x = 32,184,542,022.71/198,188.56
  6. Step 6: Final answer
    x = 162,393.54

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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.