Home / 198,611.06-274,088.60-107,973.17

Finding the Fourth Proportional to 198,611.06, 274,088.60 and 107,973.17

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Solution

The fourth proportional to 198,611.06, 274,088.60 and 107,973.17 is: 149,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,611.06 : 274,088.60 = 107,973.17 : x
  2. Step 2: Convert to fraction form
    198,611.06/274,088.60 = 107,973.17/x
  3. Step 3: Cross multiply
    198,611.06x = 274,088.60 × 107,973.17
  4. Step 4: Simplify right side
    198,611.06x = 29,594,213,092.55
  5. Step 5: Solve for x
    x = 29,594,213,092.55/198,611.06
  6. Step 6: Final answer
    x = 149,005.87

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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.