Home / 140,575.10-193,996.44-76,914.26

Finding the Fourth Proportional to 140,575.10, 193,996.44 and 76,914.26

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Solution

The fourth proportional to 140,575.10, 193,996.44 and 76,914.26 is: 106,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,575.10 : 193,996.44 = 76,914.26 : x
  2. Step 2: Convert to fraction form
    140,575.10/193,996.44 = 76,914.26/x
  3. Step 3: Cross multiply
    140,575.10x = 193,996.44 × 76,914.26
  4. Step 4: Simplify right side
    140,575.10x = 14,921,092,625.23
  5. Step 5: Solve for x
    x = 14,921,092,625.23/140,575.10
  6. Step 6: Final answer
    x = 106,143.21

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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.