Home / 198,806.73-274,248.75-118,176.90

Finding the Fourth Proportional to 198,806.73, 274,248.75 and 118,176.90

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Solution

The fourth proportional to 198,806.73, 274,248.75 and 118,176.90 is: 163,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806.73 : 274,248.75 = 118,176.90 : x
  2. Step 2: Convert to fraction form
    198,806.73/274,248.75 = 118,176.90/x
  3. Step 3: Cross multiply
    198,806.73x = 274,248.75 × 118,176.90
  4. Step 4: Simplify right side
    198,806.73x = 32,409,867,103.88
  5. Step 5: Solve for x
    x = 32,409,867,103.88/198,806.73
  6. Step 6: Final answer
    x = 163,021.98

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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.