Home / 193,385.34-266,876.37-108,508.68

Finding the Fourth Proportional to 193,385.34, 266,876.37 and 108,508.68

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Solution

The fourth proportional to 193,385.34, 266,876.37 and 108,508.68 is: 149,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,385.34 : 266,876.37 = 108,508.68 : x
  2. Step 2: Convert to fraction form
    193,385.34/266,876.37 = 108,508.68/x
  3. Step 3: Cross multiply
    193,385.34x = 266,876.37 × 108,508.68
  4. Step 4: Simplify right side
    193,385.34x = 28,958,402,631.89
  5. Step 5: Solve for x
    x = 28,958,402,631.89/193,385.34
  6. Step 6: Final answer
    x = 149,744.56

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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.