Home / 187,961.35-259,419.22-142,563.33

Finding the Fourth Proportional to 187,961.35, 259,419.22 and 142,563.33

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Solution

The fourth proportional to 187,961.35, 259,419.22 and 142,563.33 is: 196,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,961.35 : 259,419.22 = 142,563.33 : x
  2. Step 2: Convert to fraction form
    187,961.35/259,419.22 = 142,563.33/x
  3. Step 3: Cross multiply
    187,961.35x = 259,419.22 × 142,563.33
  4. Step 4: Simplify right side
    187,961.35x = 36,983,667,869.20
  5. Step 5: Solve for x
    x = 36,983,667,869.20/187,961.35
  6. Step 6: Final answer
    x = 196,762.09

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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.