Home / 161,072.21-222,273.55-89,456.84

Finding the Fourth Proportional to 161,072.21, 222,273.55 and 89,456.84

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Solution

The fourth proportional to 161,072.21, 222,273.55 and 89,456.84 is: 123,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.21 : 222,273.55 = 89,456.84 : x
  2. Step 2: Convert to fraction form
    161,072.21/222,273.55 = 89,456.84/x
  3. Step 3: Cross multiply
    161,072.21x = 222,273.55 × 89,456.84
  4. Step 4: Simplify right side
    161,072.21x = 19,883,889,398.58
  5. Step 5: Solve for x
    x = 19,883,889,398.58/161,072.21
  6. Step 6: Final answer
    x = 123,447.06

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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.