Home / 204,815.60-306,935.40-162,767.60

Finding the Fourth Proportional to 204,815.60, 306,935.40 and 162,767.60

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Solution

The fourth proportional to 204,815.60, 306,935.40 and 162,767.60 is: 243,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,815.60 : 306,935.40 = 162,767.60 : x
  2. Step 2: Convert to fraction form
    204,815.60/306,935.40 = 162,767.60/x
  3. Step 3: Cross multiply
    204,815.60x = 306,935.40 × 162,767.60
  4. Step 4: Simplify right side
    204,815.60x = 49,959,138,413.04
  5. Step 5: Solve for x
    x = 49,959,138,413.04/204,815.60
  6. Step 6: Final answer
    x = 243,922.53

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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.