Home / 118,962.38-178,398.21-40,055.42

Finding the Fourth Proportional to 118,962.38, 178,398.21 and 40,055.42

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Solution

The fourth proportional to 118,962.38, 178,398.21 and 40,055.42 is: 60,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,962.38 : 178,398.21 = 40,055.42 : x
  2. Step 2: Convert to fraction form
    118,962.38/178,398.21 = 40,055.42/x
  3. Step 3: Cross multiply
    118,962.38x = 178,398.21 × 40,055.42
  4. Step 4: Simplify right side
    118,962.38x = 7,145,815,228.80
  5. Step 5: Solve for x
    x = 7,145,815,228.80/118,962.38
  6. Step 6: Final answer
    x = 60,067.86

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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.