Home / 117,192.82-161,724.68-71,237.24

Finding the Fourth Proportional to 117,192.82, 161,724.68 and 71,237.24

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Solution

The fourth proportional to 117,192.82, 161,724.68 and 71,237.24 is: 98,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,192.82 : 161,724.68 = 71,237.24 : x
  2. Step 2: Convert to fraction form
    117,192.82/161,724.68 = 71,237.24/x
  3. Step 3: Cross multiply
    117,192.82x = 161,724.68 × 71,237.24
  4. Step 4: Simplify right side
    117,192.82x = 11,520,819,486.90
  5. Step 5: Solve for x
    x = 11,520,819,486.90/117,192.82
  6. Step 6: Final answer
    x = 98,306.53

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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.