Home / 198,890.47-298,290.12-56,733.04

Finding the Fourth Proportional to 198,890.47, 298,290.12 and 56,733.04

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Solution

The fourth proportional to 198,890.47, 298,290.12 and 56,733.04 is: 85,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,890.47 : 298,290.12 = 56,733.04 : x
  2. Step 2: Convert to fraction form
    198,890.47/298,290.12 = 56,733.04/x
  3. Step 3: Cross multiply
    198,890.47x = 298,290.12 × 56,733.04
  4. Step 4: Simplify right side
    198,890.47x = 16,922,905,309.56
  5. Step 5: Solve for x
    x = 16,922,905,309.56/198,890.47
  6. Step 6: Final answer
    x = 85,086.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.