Home / 171,531.30-236,626.11-117,042.60

Finding the Fourth Proportional to 171,531.30, 236,626.11 and 117,042.60

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Solution

The fourth proportional to 171,531.30, 236,626.11 and 117,042.60 is: 161,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,531.30 : 236,626.11 = 117,042.60 : x
  2. Step 2: Convert to fraction form
    171,531.30/236,626.11 = 117,042.60/x
  3. Step 3: Cross multiply
    171,531.30x = 236,626.11 × 117,042.60
  4. Step 4: Simplify right side
    171,531.30x = 27,695,335,142.29
  5. Step 5: Solve for x
    x = 27,695,335,142.29/171,531.30
  6. Step 6: Final answer
    x = 161,459.37

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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.