Home / 197,965.68-273,128.38-111,916.36

Finding the Fourth Proportional to 197,965.68, 273,128.38 and 111,916.36

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Solution

The fourth proportional to 197,965.68, 273,128.38 and 111,916.36 is: 154,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,965.68 : 273,128.38 = 111,916.36 : x
  2. Step 2: Convert to fraction form
    197,965.68/273,128.38 = 111,916.36/x
  3. Step 3: Cross multiply
    197,965.68x = 273,128.38 × 111,916.36
  4. Step 4: Simplify right side
    197,965.68x = 30,567,534,102.30
  5. Step 5: Solve for x
    x = 30,567,534,102.30/197,965.68
  6. Step 6: Final answer
    x = 154,408.25

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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.