Home / 106,764.28-160,143.30-27,878.51

Finding the Fourth Proportional to 106,764.28, 160,143.30 and 27,878.51

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Solution

The fourth proportional to 106,764.28, 160,143.30 and 27,878.51 is: 41,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.28 : 160,143.30 = 27,878.51 : x
  2. Step 2: Convert to fraction form
    106,764.28/160,143.30 = 27,878.51/x
  3. Step 3: Cross multiply
    106,764.28x = 160,143.30 × 27,878.51
  4. Step 4: Simplify right side
    106,764.28x = 4,464,556,990.84
  5. Step 5: Solve for x
    x = 4,464,556,990.84/106,764.28
  6. Step 6: Final answer
    x = 41,816.96

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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.