Home / 161,540.33-222,994.58-115,003.19

Finding the Fourth Proportional to 161,540.33, 222,994.58 and 115,003.19

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Solution

The fourth proportional to 161,540.33, 222,994.58 and 115,003.19 is: 158,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540.33 : 222,994.58 = 115,003.19 : x
  2. Step 2: Convert to fraction form
    161,540.33/222,994.58 = 115,003.19/x
  3. Step 3: Cross multiply
    161,540.33x = 222,994.58 × 115,003.19
  4. Step 4: Simplify right side
    161,540.33x = 25,645,088,035.18
  5. Step 5: Solve for x
    x = 25,645,088,035.18/161,540.33
  6. Step 6: Final answer
    x = 158,753.48

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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.