Home / 161,721.45-242,582.22-49,395.60

Finding the Fourth Proportional to 161,721.45, 242,582.22 and 49,395.60

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Solution

The fourth proportional to 161,721.45, 242,582.22 and 49,395.60 is: 74,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,721.45 : 242,582.22 = 49,395.60 : x
  2. Step 2: Convert to fraction form
    161,721.45/242,582.22 = 49,395.60/x
  3. Step 3: Cross multiply
    161,721.45x = 242,582.22 × 49,395.60
  4. Step 4: Simplify right side
    161,721.45x = 11,982,494,306.23
  5. Step 5: Solve for x
    x = 11,982,494,306.23/161,721.45
  6. Step 6: Final answer
    x = 74,093.41

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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.