Home / 287,519.73-396,844.85-178,706.25

Finding the Fourth Proportional to 287,519.73, 396,844.85 and 178,706.25

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Solution

The fourth proportional to 287,519.73, 396,844.85 and 178,706.25 is: 246,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,519.73 : 396,844.85 = 178,706.25 : x
  2. Step 2: Convert to fraction form
    287,519.73/396,844.85 = 178,706.25/x
  3. Step 3: Cross multiply
    287,519.73x = 396,844.85 × 178,706.25
  4. Step 4: Simplify right side
    287,519.73x = 70,918,654,668.16
  5. Step 5: Solve for x
    x = 70,918,654,668.16/287,519.73
  6. Step 6: Final answer
    x = 246,656.65

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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.