Home / 193,286.34-266,734.89-108,402.66

Finding the Fourth Proportional to 193,286.34, 266,734.89 and 108,402.66

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Solution

The fourth proportional to 193,286.34, 266,734.89 and 108,402.66 is: 149,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,286.34 : 266,734.89 = 108,402.66 : x
  2. Step 2: Convert to fraction form
    193,286.34/266,734.89 = 108,402.66/x
  3. Step 3: Cross multiply
    193,286.34x = 266,734.89 × 108,402.66
  4. Step 4: Simplify right side
    193,286.34x = 28,914,771,590.81
  5. Step 5: Solve for x
    x = 28,914,771,590.81/193,286.34
  6. Step 6: Final answer
    x = 149,595.53

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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.