Home / 198,553.23-297,498.15-123,488.10

Finding the Fourth Proportional to 198,553.23, 297,498.15 and 123,488.10

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Solution

The fourth proportional to 198,553.23, 297,498.15 and 123,488.10 is: 185,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,553.23 : 297,498.15 = 123,488.10 : x
  2. Step 2: Convert to fraction form
    198,553.23/297,498.15 = 123,488.10/x
  3. Step 3: Cross multiply
    198,553.23x = 297,498.15 × 123,488.10
  4. Step 4: Simplify right side
    198,553.23x = 36,737,479,192.08
  5. Step 5: Solve for x
    x = 36,737,479,192.08/198,553.23
  6. Step 6: Final answer
    x = 185,025.85

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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.