Home / 117,321.49-161,304.14-104,452.21

Finding the Fourth Proportional to 117,321.49, 161,304.14 and 104,452.21

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Solution

The fourth proportional to 117,321.49, 161,304.14 and 104,452.21 is: 143,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,321.49 : 161,304.14 = 104,452.21 : x
  2. Step 2: Convert to fraction form
    117,321.49/161,304.14 = 104,452.21/x
  3. Step 3: Cross multiply
    117,321.49x = 161,304.14 × 104,452.21
  4. Step 4: Simplify right side
    117,321.49x = 16,848,573,905.15
  5. Step 5: Solve for x
    x = 16,848,573,905.15/117,321.49
  6. Step 6: Final answer
    x = 143,610.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.