Home / 163,726-225,942.96-92,105.44

Finding the Fourth Proportional to 163,726, 225,942.96 and 92,105.44

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Solution

The fourth proportional to 163,726, 225,942.96 and 92,105.44 is: 127,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,726 : 225,942.96 = 92,105.44 : x
  2. Step 2: Convert to fraction form
    163,726/225,942.96 = 92,105.44/x
  3. Step 3: Cross multiply
    163,726x = 225,942.96 × 92,105.44
  4. Step 4: Simplify right side
    163,726x = 20,810,575,745.70
  5. Step 5: Solve for x
    x = 20,810,575,745.70/163,726
  6. Step 6: Final answer
    x = 127,106.11

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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.