Home / 117,976.20-162,801.41-66,982.25

Finding the Fourth Proportional to 117,976.20, 162,801.41 and 66,982.25

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Solution

The fourth proportional to 117,976.20, 162,801.41 and 66,982.25 is: 92,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,976.20 : 162,801.41 = 66,982.25 : x
  2. Step 2: Convert to fraction form
    117,976.20/162,801.41 = 66,982.25/x
  3. Step 3: Cross multiply
    117,976.20x = 162,801.41 × 66,982.25
  4. Step 4: Simplify right side
    117,976.20x = 10,904,803,596.05
  5. Step 5: Solve for x
    x = 10,904,803,596.05/117,976.20
  6. Step 6: Final answer
    x = 92,432.23

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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.