Home / 198,700.62-274,205.61-112,675.92

Finding the Fourth Proportional to 198,700.62, 274,205.61 and 112,675.92

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Solution

The fourth proportional to 198,700.62, 274,205.61 and 112,675.92 is: 155,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,700.62 : 274,205.61 = 112,675.92 : x
  2. Step 2: Convert to fraction form
    198,700.62/274,205.61 = 112,675.92/x
  3. Step 3: Cross multiply
    198,700.62x = 274,205.61 × 112,675.92
  4. Step 4: Simplify right side
    198,700.62x = 30,896,369,375.91
  5. Step 5: Solve for x
    x = 30,896,369,375.91/198,700.62
  6. Step 6: Final answer
    x = 155,492.06

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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.