Home / 198,760.94-298,143.15-56,606.09

Finding the Fourth Proportional to 198,760.94, 298,143.15 and 56,606.09

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Solution

The fourth proportional to 198,760.94, 298,143.15 and 56,606.09 is: 84,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,760.94 : 298,143.15 = 56,606.09 : x
  2. Step 2: Convert to fraction form
    198,760.94/298,143.15 = 56,606.09/x
  3. Step 3: Cross multiply
    198,760.94x = 298,143.15 × 56,606.09
  4. Step 4: Simplify right side
    198,760.94x = 16,876,716,278.79
  5. Step 5: Solve for x
    x = 16,876,716,278.79/198,760.94
  6. Step 6: Final answer
    x = 84,909.62

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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.