Home / 287,682.82-396,914.19-166,799.84

Finding the Fourth Proportional to 287,682.82, 396,914.19 and 166,799.84

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Solution

The fourth proportional to 287,682.82, 396,914.19 and 166,799.84 is: 230,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,682.82 : 396,914.19 = 166,799.84 : x
  2. Step 2: Convert to fraction form
    287,682.82/396,914.19 = 166,799.84/x
  3. Step 3: Cross multiply
    287,682.82x = 396,914.19 × 166,799.84
  4. Step 4: Simplify right side
    287,682.82x = 66,205,223,385.73
  5. Step 5: Solve for x
    x = 66,205,223,385.73/287,682.82
  6. Step 6: Final answer
    x = 230,132.70

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1.5x scale

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.