Home / 106,066.20-159,095.70-27,181.20

Finding the Fourth Proportional to 106,066.20, 159,095.70 and 27,181.20

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Solution

The fourth proportional to 106,066.20, 159,095.70 and 27,181.20 is: 40,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,066.20 : 159,095.70 = 27,181.20 : x
  2. Step 2: Convert to fraction form
    106,066.20/159,095.70 = 27,181.20/x
  3. Step 3: Cross multiply
    106,066.20x = 159,095.70 × 27,181.20
  4. Step 4: Simplify right side
    106,066.20x = 4,324,412,040.84
  5. Step 5: Solve for x
    x = 4,324,412,040.84/106,066.20
  6. Step 6: Final answer
    x = 40,770.88

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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.