Home / 197,717.89-272,839.67-111,694.52

Finding the Fourth Proportional to 197,717.89, 272,839.67 and 111,694.52

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Solution

The fourth proportional to 197,717.89, 272,839.67 and 111,694.52 is: 154,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,717.89 : 272,839.67 = 111,694.52 : x
  2. Step 2: Convert to fraction form
    197,717.89/272,839.67 = 111,694.52/x
  3. Step 3: Cross multiply
    197,717.89x = 272,839.67 × 111,694.52
  4. Step 4: Simplify right side
    197,717.89x = 30,474,695,977.61
  5. Step 5: Solve for x
    x = 30,474,695,977.61/197,717.89
  6. Step 6: Final answer
    x = 154,132.21

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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.