Home / 110,192.40-165,634.20-108,118.80

Finding the Fourth Proportional to 110,192.40, 165,634.20 and 108,118.80

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Solution

The fourth proportional to 110,192.40, 165,634.20 and 108,118.80 is: 162,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,192.40 : 165,634.20 = 108,118.80 : x
  2. Step 2: Convert to fraction form
    110,192.40/165,634.20 = 108,118.80/x
  3. Step 3: Cross multiply
    110,192.40x = 165,634.20 × 108,118.80
  4. Step 4: Simplify right side
    110,192.40x = 17,908,170,942.96
  5. Step 5: Solve for x
    x = 17,908,170,942.96/110,192.40
  6. Step 6: Final answer
    x = 162,517.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.