Home / 193,155.52-266,553.78-108,272.59

Finding the Fourth Proportional to 193,155.52, 266,553.78 and 108,272.59

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Solution

The fourth proportional to 193,155.52, 266,553.78 and 108,272.59 is: 149,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,155.52 : 266,553.78 = 108,272.59 : x
  2. Step 2: Convert to fraction form
    193,155.52/266,553.78 = 108,272.59/x
  3. Step 3: Cross multiply
    193,155.52x = 266,553.78 × 108,272.59
  4. Step 4: Simplify right side
    193,155.52x = 28,860,468,134.89
  5. Step 5: Solve for x
    x = 28,860,468,134.89/193,155.52
  6. Step 6: Final answer
    x = 149,415.70

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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.