Home / 114,910.20-172,365.30-107,998.20

Finding the Fourth Proportional to 114,910.20, 172,365.30 and 107,998.20

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Solution

The fourth proportional to 114,910.20, 172,365.30 and 107,998.20 is: 161,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,910.20 : 172,365.30 = 107,998.20 : x
  2. Step 2: Convert to fraction form
    114,910.20/172,365.30 = 107,998.20/x
  3. Step 3: Cross multiply
    114,910.20x = 172,365.30 × 107,998.20
  4. Step 4: Simplify right side
    114,910.20x = 18,615,142,142.46
  5. Step 5: Solve for x
    x = 18,615,142,142.46/114,910.20
  6. Step 6: Final answer
    x = 161,997.30

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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.