Home / 161,900.16-242,879.48-73,195.44

Finding the Fourth Proportional to 161,900.16, 242,879.48 and 73,195.44

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Solution

The fourth proportional to 161,900.16, 242,879.48 and 73,195.44 is: 109,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,900.16 : 242,879.48 = 73,195.44 : x
  2. Step 2: Convert to fraction form
    161,900.16/242,879.48 = 73,195.44/x
  3. Step 3: Cross multiply
    161,900.16x = 242,879.48 × 73,195.44
  4. Step 4: Simplify right side
    161,900.16x = 17,777,670,405.57
  5. Step 5: Solve for x
    x = 17,777,670,405.57/161,900.16
  6. Step 6: Final answer
    x = 109,806.38

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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.