Home / 107,504.30-161,194.13-36,403.20

Finding the Fourth Proportional to 107,504.30, 161,194.13 and 36,403.20

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Solution

The fourth proportional to 107,504.30, 161,194.13 and 36,403.20 is: 54,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,504.30 : 161,194.13 = 36,403.20 : x
  2. Step 2: Convert to fraction form
    107,504.30/161,194.13 = 36,403.20/x
  3. Step 3: Cross multiply
    107,504.30x = 161,194.13 × 36,403.20
  4. Step 4: Simplify right side
    107,504.30x = 5,867,981,971.20
  5. Step 5: Solve for x
    x = 5,867,981,971.20/107,504.30
  6. Step 6: Final answer
    x = 54,583.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.