Home / 118,286.97-163,211.58-67,976.25

Finding the Fourth Proportional to 118,286.97, 163,211.58 and 67,976.25

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Solution

The fourth proportional to 118,286.97, 163,211.58 and 67,976.25 is: 93,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,286.97 : 163,211.58 = 67,976.25 : x
  2. Step 2: Convert to fraction form
    118,286.97/163,211.58 = 67,976.25/x
  3. Step 3: Cross multiply
    118,286.97x = 163,211.58 × 67,976.25
  4. Step 4: Simplify right side
    118,286.97x = 11,094,511,164.98
  5. Step 5: Solve for x
    x = 11,094,511,164.98/118,286.97
  6. Step 6: Final answer
    x = 93,793.18

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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.