Home / 160,138.35-220,847.78-132,871.26

Finding the Fourth Proportional to 160,138.35, 220,847.78 and 132,871.26

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Solution

The fourth proportional to 160,138.35, 220,847.78 and 132,871.26 is: 183,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,138.35 : 220,847.78 = 132,871.26 : x
  2. Step 2: Convert to fraction form
    160,138.35/220,847.78 = 132,871.26/x
  3. Step 3: Cross multiply
    160,138.35x = 220,847.78 × 132,871.26
  4. Step 4: Simplify right side
    160,138.35x = 29,344,322,132.45
  5. Step 5: Solve for x
    x = 29,344,322,132.45/160,138.35
  6. Step 6: Final answer
    x = 183,243.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.