Home / 161,949.63-242,998.26-83,119.22

Finding the Fourth Proportional to 161,949.63, 242,998.26 and 83,119.22

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Solution

The fourth proportional to 161,949.63, 242,998.26 and 83,119.22 is: 124,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,949.63 : 242,998.26 = 83,119.22 : x
  2. Step 2: Convert to fraction form
    161,949.63/242,998.26 = 83,119.22/x
  3. Step 3: Cross multiply
    161,949.63x = 242,998.26 × 83,119.22
  4. Step 4: Simplify right side
    161,949.63x = 20,197,825,832.56
  5. Step 5: Solve for x
    x = 20,197,825,832.56/161,949.63
  6. Step 6: Final answer
    x = 124,716.71

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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.