Home / 198,211.91-297,315.27-48,453.50

Finding the Fourth Proportional to 198,211.91, 297,315.27 and 48,453.50

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Solution

The fourth proportional to 198,211.91, 297,315.27 and 48,453.50 is: 72,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.91 : 297,315.27 = 48,453.50 : x
  2. Step 2: Convert to fraction form
    198,211.91/297,315.27 = 48,453.50/x
  3. Step 3: Cross multiply
    198,211.91x = 297,315.27 × 48,453.50
  4. Step 4: Simplify right side
    198,211.91x = 14,405,965,192.68
  5. Step 5: Solve for x
    x = 14,405,965,192.68/198,211.91
  6. Step 6: Final answer
    x = 72,679.62

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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.