Home / 161,297.22-222,577.50-89,672.88

Finding the Fourth Proportional to 161,297.22, 222,577.50 and 89,672.88

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Solution

The fourth proportional to 161,297.22, 222,577.50 and 89,672.88 is: 123,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,297.22 : 222,577.50 = 89,672.88 : x
  2. Step 2: Convert to fraction form
    161,297.22/222,577.50 = 89,672.88/x
  3. Step 3: Cross multiply
    161,297.22x = 222,577.50 × 89,672.88
  4. Step 4: Simplify right side
    161,297.22x = 19,959,165,448.20
  5. Step 5: Solve for x
    x = 19,959,165,448.20/161,297.22
  6. Step 6: Final answer
    x = 123,741.53

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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.