Home / 198,684.84-297,995.22-54,557.04

Finding the Fourth Proportional to 198,684.84, 297,995.22 and 54,557.04

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Solution

The fourth proportional to 198,684.84, 297,995.22 and 54,557.04 is: 81,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,684.84 : 297,995.22 = 54,557.04 : x
  2. Step 2: Convert to fraction form
    198,684.84/297,995.22 = 54,557.04/x
  3. Step 3: Cross multiply
    198,684.84x = 297,995.22 × 54,557.04
  4. Step 4: Simplify right side
    198,684.84x = 16,257,737,137.35
  5. Step 5: Solve for x
    x = 16,257,737,137.35/198,684.84
  6. Step 6: Final answer
    x = 81,826.76

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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.