Home / 198,231.50-273,435.04-117,601.94

Finding the Fourth Proportional to 198,231.50, 273,435.04 and 117,601.94

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Solution

The fourth proportional to 198,231.50, 273,435.04 and 117,601.94 is: 162,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,231.50 : 273,435.04 = 117,601.94 : x
  2. Step 2: Convert to fraction form
    198,231.50/273,435.04 = 117,601.94/x
  3. Step 3: Cross multiply
    198,231.50x = 273,435.04 × 117,601.94
  4. Step 4: Simplify right side
    198,231.50x = 32,156,491,167.98
  5. Step 5: Solve for x
    x = 32,156,491,167.98/198,231.50
  6. Step 6: Final answer
    x = 162,216.86

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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.