Home / 198,196.50-273,511.17-118,708.50

Finding the Fourth Proportional to 198,196.50, 273,511.17 and 118,708.50

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Solution

The fourth proportional to 198,196.50, 273,511.17 and 118,708.50 is: 163,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,196.50 : 273,511.17 = 118,708.50 : x
  2. Step 2: Convert to fraction form
    198,196.50/273,511.17 = 118,708.50/x
  3. Step 3: Cross multiply
    198,196.50x = 273,511.17 × 118,708.50
  4. Step 4: Simplify right side
    198,196.50x = 32,468,100,723.95
  5. Step 5: Solve for x
    x = 32,468,100,723.95/198,196.50
  6. Step 6: Final answer
    x = 163,817.73

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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.