Home / 197,162.43-272,085.87-111,104.92

Finding the Fourth Proportional to 197,162.43, 272,085.87 and 111,104.92

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Solution

The fourth proportional to 197,162.43, 272,085.87 and 111,104.92 is: 153,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,162.43 : 272,085.87 = 111,104.92 : x
  2. Step 2: Convert to fraction form
    197,162.43/272,085.87 = 111,104.92/x
  3. Step 3: Cross multiply
    197,162.43x = 272,085.87 × 111,104.92
  4. Step 4: Simplify right side
    197,162.43x = 30,230,078,819.48
  5. Step 5: Solve for x
    x = 30,230,078,819.48/197,162.43
  6. Step 6: Final answer
    x = 153,325.76

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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.