Home / 198,537.57-273,981.84-109,113.57

Finding the Fourth Proportional to 198,537.57, 273,981.84 and 109,113.57

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Solution

The fourth proportional to 198,537.57, 273,981.84 and 109,113.57 is: 150,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,537.57 : 273,981.84 = 109,113.57 : x
  2. Step 2: Convert to fraction form
    198,537.57/273,981.84 = 109,113.57/x
  3. Step 3: Cross multiply
    198,537.57x = 273,981.84 × 109,113.57
  4. Step 4: Simplify right side
    198,537.57x = 29,895,136,677.57
  5. Step 5: Solve for x
    x = 29,895,136,677.57/198,537.57
  6. Step 6: Final answer
    x = 150,576.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.