Home / 187,820.24-259,191.42-101,781.60

Finding the Fourth Proportional to 187,820.24, 259,191.42 and 101,781.60

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Solution

The fourth proportional to 187,820.24, 259,191.42 and 101,781.60 is: 140,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820.24 : 259,191.42 = 101,781.60 : x
  2. Step 2: Convert to fraction form
    187,820.24/259,191.42 = 101,781.60/x
  3. Step 3: Cross multiply
    187,820.24x = 259,191.42 × 101,781.60
  4. Step 4: Simplify right side
    187,820.24x = 26,380,917,433.87
  5. Step 5: Solve for x
    x = 26,380,917,433.87/187,820.24
  6. Step 6: Final answer
    x = 140,458.33

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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.