Home / 116,909.29-161,334.72-63,194.31

Finding the Fourth Proportional to 116,909.29, 161,334.72 and 63,194.31

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Solution

The fourth proportional to 116,909.29, 161,334.72 and 63,194.31 is: 87,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,909.29 : 161,334.72 = 63,194.31 : x
  2. Step 2: Convert to fraction form
    116,909.29/161,334.72 = 63,194.31/x
  3. Step 3: Cross multiply
    116,909.29x = 161,334.72 × 63,194.31
  4. Step 4: Simplify right side
    116,909.29x = 10,195,436,309.44
  5. Step 5: Solve for x
    x = 10,195,436,309.44/116,909.29
  6. Step 6: Final answer
    x = 87,208.09

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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.