Home / 193,394.22-266,888.64-108,517.56

Finding the Fourth Proportional to 193,394.22, 266,888.64 and 108,517.56

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Solution

The fourth proportional to 193,394.22, 266,888.64 and 108,517.56 is: 149,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,394.22 : 266,888.64 = 108,517.56 : x
  2. Step 2: Convert to fraction form
    193,394.22/266,888.64 = 108,517.56/x
  3. Step 3: Cross multiply
    193,394.22x = 266,888.64 × 108,517.56
  4. Step 4: Simplify right side
    193,394.22x = 28,962,104,004.52
  5. Step 5: Solve for x
    x = 28,962,104,004.52/193,394.22
  6. Step 6: Final answer
    x = 149,756.82

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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.