Home / 198,227.88-273,554.36-112,185.30

Finding the Fourth Proportional to 198,227.88, 273,554.36 and 112,185.30

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Solution

The fourth proportional to 198,227.88, 273,554.36 and 112,185.30 is: 154,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,227.88 : 273,554.36 = 112,185.30 : x
  2. Step 2: Convert to fraction form
    198,227.88/273,554.36 = 112,185.30/x
  3. Step 3: Cross multiply
    198,227.88x = 273,554.36 × 112,185.30
  4. Step 4: Simplify right side
    198,227.88x = 30,688,777,942.91
  5. Step 5: Solve for x
    x = 30,688,777,942.91/198,227.88
  6. Step 6: Final answer
    x = 154,815.65

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1.5x scale

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.