Home / 118,172.26-163,078.22-64,458.43

Finding the Fourth Proportional to 118,172.26, 163,078.22 and 64,458.43

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Solution

The fourth proportional to 118,172.26, 163,078.22 and 64,458.43 is: 88,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,172.26 : 163,078.22 = 64,458.43 : x
  2. Step 2: Convert to fraction form
    118,172.26/163,078.22 = 64,458.43/x
  3. Step 3: Cross multiply
    118,172.26x = 163,078.22 × 64,458.43
  4. Step 4: Simplify right side
    118,172.26x = 10,511,766,028.39
  5. Step 5: Solve for x
    x = 10,511,766,028.39/118,172.26
  6. Step 6: Final answer
    x = 88,952.91

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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.