Home / 161,419.18-222,755.13-89,797.66

Finding the Fourth Proportional to 161,419.18, 222,755.13 and 89,797.66

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Solution

The fourth proportional to 161,419.18, 222,755.13 and 89,797.66 is: 123,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,419.18 : 222,755.13 = 89,797.66 : x
  2. Step 2: Convert to fraction form
    161,419.18/222,755.13 = 89,797.66/x
  3. Step 3: Cross multiply
    161,419.18x = 222,755.13 × 89,797.66
  4. Step 4: Simplify right side
    161,419.18x = 20,002,889,427.00
  5. Step 5: Solve for x
    x = 20,002,889,427.00/161,419.18
  6. Step 6: Final answer
    x = 123,918.91

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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.