Home / 461,387.06-691,657.77-161,704.28

Finding the Fourth Proportional to 461,387.06, 691,657.77 and 161,704.28

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Solution

The fourth proportional to 461,387.06, 691,657.77 and 161,704.28 is: 242,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,387.06 : 691,657.77 = 161,704.28 : x
  2. Step 2: Convert to fraction form
    461,387.06/691,657.77 = 161,704.28/x
  3. Step 3: Cross multiply
    461,387.06x = 691,657.77 × 161,704.28
  4. Step 4: Simplify right side
    461,387.06x = 111,844,021,704.26
  5. Step 5: Solve for x
    x = 111,844,021,704.26/461,387.06
  6. Step 6: Final answer
    x = 242,408.23

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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.