Home / 110,933.91-166,351.55-68,812.29

Finding the Fourth Proportional to 110,933.91, 166,351.55 and 68,812.29

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Solution

The fourth proportional to 110,933.91, 166,351.55 and 68,812.29 is: 103,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,933.91 : 166,351.55 = 68,812.29 : x
  2. Step 2: Convert to fraction form
    110,933.91/166,351.55 = 68,812.29/x
  3. Step 3: Cross multiply
    110,933.91x = 166,351.55 × 68,812.29
  4. Step 4: Simplify right side
    110,933.91x = 11,447,030,756.49
  5. Step 5: Solve for x
    x = 11,447,030,756.49/110,933.91
  6. Step 6: Final answer
    x = 103,187.84

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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.