Home / 161,299.00-222,591.49-89,678.39

Finding the Fourth Proportional to 161,299.00, 222,591.49 and 89,678.39

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Solution

The fourth proportional to 161,299.00, 222,591.49 and 89,678.39 is: 123,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,299.00 : 222,591.49 = 89,678.39 : x
  2. Step 2: Convert to fraction form
    161,299.00/222,591.49 = 89,678.39/x
  3. Step 3: Cross multiply
    161,299.00x = 222,591.49 × 89,678.39
  4. Step 4: Simplify right side
    161,299.00x = 19,961,646,870.27
  5. Step 5: Solve for x
    x = 19,961,646,870.27/161,299.00
  6. Step 6: Final answer
    x = 123,755.56

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1.5x scale

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.