Home / 110,216.40-165,670.20-108,142.80

Finding the Fourth Proportional to 110,216.40, 165,670.20 and 108,142.80

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Solution

The fourth proportional to 110,216.40, 165,670.20 and 108,142.80 is: 162,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,216.40 : 165,670.20 = 108,142.80 : x
  2. Step 2: Convert to fraction form
    110,216.40/165,670.20 = 108,142.80/x
  3. Step 3: Cross multiply
    110,216.40x = 165,670.20 × 108,142.80
  4. Step 4: Simplify right side
    110,216.40x = 17,916,039,304.56
  5. Step 5: Solve for x
    x = 17,916,039,304.56/110,216.40
  6. Step 6: Final answer
    x = 162,553.30

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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.