Home / 198,394.08-274,014.76-166,245.16

Finding the Fourth Proportional to 198,394.08, 274,014.76 and 166,245.16

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Solution

The fourth proportional to 198,394.08, 274,014.76 and 166,245.16 is: 229,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,394.08 : 274,014.76 = 166,245.16 : x
  2. Step 2: Convert to fraction form
    198,394.08/274,014.76 = 166,245.16/x
  3. Step 3: Cross multiply
    198,394.08x = 274,014.76 × 166,245.16
  4. Step 4: Simplify right side
    198,394.08x = 45,553,627,618.56
  5. Step 5: Solve for x
    x = 45,553,627,618.56/198,394.08
  6. Step 6: Final answer
    x = 229,611.83

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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.