Home / 140,301.18-193,553.96-83,679.75

Finding the Fourth Proportional to 140,301.18, 193,553.96 and 83,679.75

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Solution

The fourth proportional to 140,301.18, 193,553.96 and 83,679.75 is: 115,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,301.18 : 193,553.96 = 83,679.75 : x
  2. Step 2: Convert to fraction form
    140,301.18/193,553.96 = 83,679.75/x
  3. Step 3: Cross multiply
    140,301.18x = 193,553.96 × 83,679.75
  4. Step 4: Simplify right side
    140,301.18x = 16,196,546,565.91
  5. Step 5: Solve for x
    x = 16,196,546,565.91/140,301.18
  6. Step 6: Final answer
    x = 115,441.27

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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.