Home / 198,618.95-274,092.99-112,594.15

Finding the Fourth Proportional to 198,618.95, 274,092.99 and 112,594.15

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Solution

The fourth proportional to 198,618.95, 274,092.99 and 112,594.15 is: 155,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,618.95 : 274,092.99 = 112,594.15 : x
  2. Step 2: Convert to fraction form
    198,618.95/274,092.99 = 112,594.15/x
  3. Step 3: Cross multiply
    198,618.95x = 274,092.99 × 112,594.15
  4. Step 4: Simplify right side
    198,618.95x = 30,861,267,230.01
  5. Step 5: Solve for x
    x = 30,861,267,230.01/198,618.95
  6. Step 6: Final answer
    x = 155,379.27

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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.