Home / 161,453.72-242,180.78-77,194.08

Finding the Fourth Proportional to 161,453.72, 242,180.78 and 77,194.08

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Solution

The fourth proportional to 161,453.72, 242,180.78 and 77,194.08 is: 115,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,453.72 : 242,180.78 = 77,194.08 : x
  2. Step 2: Convert to fraction form
    161,453.72/242,180.78 = 77,194.08/x
  3. Step 3: Cross multiply
    161,453.72x = 242,180.78 × 77,194.08
  4. Step 4: Simplify right side
    161,453.72x = 18,694,922,505.78
  5. Step 5: Solve for x
    x = 18,694,922,505.78/161,453.72
  6. Step 6: Final answer
    x = 115,791.22

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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.