Home / 193,278.34-266,723.85-108,394.66

Finding the Fourth Proportional to 193,278.34, 266,723.85 and 108,394.66

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Solution

The fourth proportional to 193,278.34, 266,723.85 and 108,394.66 is: 149,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,278.34 : 266,723.85 = 108,394.66 : x
  2. Step 2: Convert to fraction form
    193,278.34/266,723.85 = 108,394.66/x
  3. Step 3: Cross multiply
    193,278.34x = 266,723.85 × 108,394.66
  4. Step 4: Simplify right side
    193,278.34x = 28,911,441,034.64
  5. Step 5: Solve for x
    x = 28,911,441,034.64/193,278.34
  6. Step 6: Final answer
    x = 149,584.49

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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.