Home / 197,788.87-272,932.42-111,755.33

Finding the Fourth Proportional to 197,788.87, 272,932.42 and 111,755.33

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Solution

The fourth proportional to 197,788.87, 272,932.42 and 111,755.33 is: 154,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,788.87 : 272,932.42 = 111,755.33 : x
  2. Step 2: Convert to fraction form
    197,788.87/272,932.42 = 111,755.33/x
  3. Step 3: Cross multiply
    197,788.87x = 272,932.42 × 111,755.33
  4. Step 4: Simplify right side
    197,788.87x = 30,501,650,741.36
  5. Step 5: Solve for x
    x = 30,501,650,741.36/197,788.87
  6. Step 6: Final answer
    x = 154,213.18

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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.