Home / 431,962.41-648,067.97-132,486.93

Finding the Fourth Proportional to 431,962.41, 648,067.97 and 132,486.93

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Solution

The fourth proportional to 431,962.41, 648,067.97 and 132,486.93 is: 198,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,962.41 : 648,067.97 = 132,486.93 : x
  2. Step 2: Convert to fraction form
    431,962.41/648,067.97 = 132,486.93/x
  3. Step 3: Cross multiply
    431,962.41x = 648,067.97 × 132,486.93
  4. Step 4: Simplify right side
    431,962.41x = 85,860,535,114.20
  5. Step 5: Solve for x
    x = 85,860,535,114.20/431,962.41
  6. Step 6: Final answer
    x = 198,768.53

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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.