Home / 161,268.17-222,557.63-89,649.32

Finding the Fourth Proportional to 161,268.17, 222,557.63 and 89,649.32

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Solution

The fourth proportional to 161,268.17, 222,557.63 and 89,649.32 is: 123,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,268.17 : 222,557.63 = 89,649.32 : x
  2. Step 2: Convert to fraction form
    161,268.17/222,557.63 = 89,649.32/x
  3. Step 3: Cross multiply
    161,268.17x = 222,557.63 × 89,649.32
  4. Step 4: Simplify right side
    161,268.17x = 19,952,138,629.28
  5. Step 5: Solve for x
    x = 19,952,138,629.28/161,268.17
  6. Step 6: Final answer
    x = 123,720.26

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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.