Home / 161,428.24-222,617.64-96,887.44

Finding the Fourth Proportional to 161,428.24, 222,617.64 and 96,887.44

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Solution

The fourth proportional to 161,428.24, 222,617.64 and 96,887.44 is: 133,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,428.24 : 222,617.64 = 96,887.44 : x
  2. Step 2: Convert to fraction form
    161,428.24/222,617.64 = 96,887.44/x
  3. Step 3: Cross multiply
    161,428.24x = 222,617.64 × 96,887.44
  4. Step 4: Simplify right side
    161,428.24x = 21,568,853,238.44
  5. Step 5: Solve for x
    x = 21,568,853,238.44/161,428.24
  6. Step 6: Final answer
    x = 133,612.64

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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.