Home / 197,621.56-272,717.64-108,197.56

Finding the Fourth Proportional to 197,621.56, 272,717.64 and 108,197.56

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Solution

The fourth proportional to 197,621.56, 272,717.64 and 108,197.56 is: 149,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,621.56 : 272,717.64 = 108,197.56 : x
  2. Step 2: Convert to fraction form
    197,621.56/272,717.64 = 108,197.56/x
  3. Step 3: Cross multiply
    197,621.56x = 272,717.64 × 108,197.56
  4. Step 4: Simplify right side
    197,621.56x = 29,507,383,216.96
  5. Step 5: Solve for x
    x = 29,507,383,216.96/197,621.56
  6. Step 6: Final answer
    x = 149,312.57

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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.