Home / 118,134.43-163,029.60-67,149.29

Finding the Fourth Proportional to 118,134.43, 163,029.60 and 67,149.29

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Solution

The fourth proportional to 118,134.43, 163,029.60 and 67,149.29 is: 92,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,134.43 : 163,029.60 = 67,149.29 : x
  2. Step 2: Convert to fraction form
    118,134.43/163,029.60 = 67,149.29/x
  3. Step 3: Cross multiply
    118,134.43x = 163,029.60 × 67,149.29
  4. Step 4: Simplify right side
    118,134.43x = 10,947,322,296.56
  5. Step 5: Solve for x
    x = 10,947,322,296.56/118,134.43
  6. Step 6: Final answer
    x = 92,668.35

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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.