Home / 197,795.52-272,954.07-112,910.76

Finding the Fourth Proportional to 197,795.52, 272,954.07 and 112,910.76

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Solution

The fourth proportional to 197,795.52, 272,954.07 and 112,910.76 is: 155,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,795.52 : 272,954.07 = 112,910.76 : x
  2. Step 2: Convert to fraction form
    197,795.52/272,954.07 = 112,910.76/x
  3. Step 3: Cross multiply
    197,795.52x = 272,954.07 × 112,910.76
  4. Step 4: Simplify right side
    197,795.52x = 30,819,451,488.79
  5. Step 5: Solve for x
    x = 30,819,451,488.79/197,795.52
  6. Step 6: Final answer
    x = 155,814.71

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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.