Home / 193,118.72-266,494.55-107,081.19

Finding the Fourth Proportional to 193,118.72, 266,494.55 and 107,081.19

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Solution

The fourth proportional to 193,118.72, 266,494.55 and 107,081.19 is: 147,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,118.72 : 266,494.55 = 107,081.19 : x
  2. Step 2: Convert to fraction form
    193,118.72/266,494.55 = 107,081.19/x
  3. Step 3: Cross multiply
    193,118.72x = 266,494.55 × 107,081.19
  4. Step 4: Simplify right side
    193,118.72x = 28,536,553,007.11
  5. Step 5: Solve for x
    x = 28,536,553,007.11/193,118.72
  6. Step 6: Final answer
    x = 147,766.90

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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.