Home / 117,296.44-161,867.10-66,308.32

Finding the Fourth Proportional to 117,296.44, 161,867.10 and 66,308.32

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Solution

The fourth proportional to 117,296.44, 161,867.10 and 66,308.32 is: 91,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,296.44 : 161,867.10 = 66,308.32 : x
  2. Step 2: Convert to fraction form
    117,296.44/161,867.10 = 66,308.32/x
  3. Step 3: Cross multiply
    117,296.44x = 161,867.10 × 66,308.32
  4. Step 4: Simplify right side
    117,296.44x = 10,733,135,464.27
  5. Step 5: Solve for x
    x = 10,733,135,464.27/117,296.44
  6. Step 6: Final answer
    x = 91,504.36

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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.