Home / 197,572.52-272,639.62-108,131.24

Finding the Fourth Proportional to 197,572.52, 272,639.62 and 108,131.24

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Solution

The fourth proportional to 197,572.52, 272,639.62 and 108,131.24 is: 149,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,572.52 : 272,639.62 = 108,131.24 : x
  2. Step 2: Convert to fraction form
    197,572.52/272,639.62 = 108,131.24/x
  3. Step 3: Cross multiply
    197,572.52x = 272,639.62 × 108,131.24
  4. Step 4: Simplify right side
    197,572.52x = 29,480,860,183.73
  5. Step 5: Solve for x
    x = 29,480,860,183.73/197,572.52
  6. Step 6: Final answer
    x = 149,215.39

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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.