Home / 161,163.51-222,411.64-96,643.25

Finding the Fourth Proportional to 161,163.51, 222,411.64 and 96,643.25

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Solution

The fourth proportional to 161,163.51, 222,411.64 and 96,643.25 is: 133,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.51 : 222,411.64 = 96,643.25 : x
  2. Step 2: Convert to fraction form
    161,163.51/222,411.64 = 96,643.25/x
  3. Step 3: Cross multiply
    161,163.51x = 222,411.64 × 96,643.25
  4. Step 4: Simplify right side
    161,163.51x = 21,494,584,050.54
  5. Step 5: Solve for x
    x = 21,494,584,050.54/161,163.51
  6. Step 6: Final answer
    x = 133,371.28

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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.