Home / 197,568.96-272,645.28-108,144.96

Finding the Fourth Proportional to 197,568.96, 272,645.28 and 108,144.96

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Solution

The fourth proportional to 197,568.96, 272,645.28 and 108,144.96 is: 149,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,568.96 : 272,645.28 = 108,144.96 : x
  2. Step 2: Convert to fraction form
    197,568.96/272,645.28 = 108,144.96/x
  3. Step 3: Cross multiply
    197,568.96x = 272,645.28 × 108,144.96
  4. Step 4: Simplify right side
    197,568.96x = 29,485,212,899.79
  5. Step 5: Solve for x
    x = 29,485,212,899.79/197,568.96
  6. Step 6: Final answer
    x = 149,240.11

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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.