Home / 197,596.96-272,683.92-108,172.96

Finding the Fourth Proportional to 197,596.96, 272,683.92 and 108,172.96

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Solution

The fourth proportional to 197,596.96, 272,683.92 and 108,172.96 is: 149,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,596.96 : 272,683.92 = 108,172.96 : x
  2. Step 2: Convert to fraction form
    197,596.96/272,683.92 = 108,172.96/x
  3. Step 3: Cross multiply
    197,596.96x = 272,683.92 × 108,172.96
  4. Step 4: Simplify right side
    197,596.96x = 29,497,026,770.80
  5. Step 5: Solve for x
    x = 29,497,026,770.80/197,596.96
  6. Step 6: Final answer
    x = 149,278.75

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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.