Home / 198,611.40-274,089.06-107,973.44

Finding the Fourth Proportional to 198,611.40, 274,089.06 and 107,973.44

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Solution

The fourth proportional to 198,611.40, 274,089.06 and 107,973.44 is: 149,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,611.40 : 274,089.06 = 107,973.44 : x
  2. Step 2: Convert to fraction form
    198,611.40/274,089.06 = 107,973.44/x
  3. Step 3: Cross multiply
    198,611.40x = 274,089.06 × 107,973.44
  4. Step 4: Simplify right side
    198,611.40x = 29,594,338,674.57
  5. Step 5: Solve for x
    x = 29,594,338,674.57/198,611.40
  6. Step 6: Final answer
    x = 149,006.24

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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.