Home / 269,691.12-404,769.96-103,595.76

Finding the Fourth Proportional to 269,691.12, 404,769.96 and 103,595.76

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Solution

The fourth proportional to 269,691.12, 404,769.96 and 103,595.76 is: 155,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,691.12 : 404,769.96 = 103,595.76 : x
  2. Step 2: Convert to fraction form
    269,691.12/404,769.96 = 103,595.76/x
  3. Step 3: Cross multiply
    269,691.12x = 404,769.96 × 103,595.76
  4. Step 4: Simplify right side
    269,691.12x = 41,932,451,631.37
  5. Step 5: Solve for x
    x = 41,932,451,631.37/269,691.12
  6. Step 6: Final answer
    x = 155,483.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.