Home / 161,296.50-222,578.64-89,673.96

Finding the Fourth Proportional to 161,296.50, 222,578.64 and 89,673.96

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Solution

The fourth proportional to 161,296.50, 222,578.64 and 89,673.96 is: 123,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,296.50 : 222,578.64 = 89,673.96 : x
  2. Step 2: Convert to fraction form
    161,296.50/222,578.64 = 89,673.96/x
  3. Step 3: Cross multiply
    161,296.50x = 222,578.64 × 89,673.96
  4. Step 4: Simplify right side
    161,296.50x = 19,959,508,060.21
  5. Step 5: Solve for x
    x = 19,959,508,060.21/161,296.50
  6. Step 6: Final answer
    x = 123,744.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.