Home / 193,273.56-266,716.86-108,390.36

Finding the Fourth Proportional to 193,273.56, 266,716.86 and 108,390.36

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Solution

The fourth proportional to 193,273.56, 266,716.86 and 108,390.36 is: 149,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,273.56 : 266,716.86 = 108,390.36 : x
  2. Step 2: Convert to fraction form
    193,273.56/266,716.86 = 108,390.36/x
  3. Step 3: Cross multiply
    193,273.56x = 266,716.86 × 108,390.36
  4. Step 4: Simplify right side
    193,273.56x = 28,909,536,473.47
  5. Step 5: Solve for x
    x = 28,909,536,473.47/193,273.56
  6. Step 6: Final answer
    x = 149,578.33

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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.