Home / 110,724.20-166,086.30-104,892.20

Finding the Fourth Proportional to 110,724.20, 166,086.30 and 104,892.20

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Solution

The fourth proportional to 110,724.20, 166,086.30 and 104,892.20 is: 157,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,724.20 : 166,086.30 = 104,892.20 : x
  2. Step 2: Convert to fraction form
    110,724.20/166,086.30 = 104,892.20/x
  3. Step 3: Cross multiply
    110,724.20x = 166,086.30 × 104,892.20
  4. Step 4: Simplify right side
    110,724.20x = 17,421,157,396.86
  5. Step 5: Solve for x
    x = 17,421,157,396.86/110,724.20
  6. Step 6: Final answer
    x = 157,338.30

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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.