Home / 269,816.60-404,654.40-80,225.92

Finding the Fourth Proportional to 269,816.60, 404,654.40 and 80,225.92

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Solution

The fourth proportional to 269,816.60, 404,654.40 and 80,225.92 is: 120,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,816.60 : 404,654.40 = 80,225.92 : x
  2. Step 2: Convert to fraction form
    269,816.60/404,654.40 = 80,225.92/x
  3. Step 3: Cross multiply
    269,816.60x = 404,654.40 × 80,225.92
  4. Step 4: Simplify right side
    269,816.60x = 32,463,772,027.87
  5. Step 5: Solve for x
    x = 32,463,772,027.87/269,816.60
  6. Step 6: Final answer
    x = 120,317.92

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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.