Home / 187,968.56-259,372.63-107,401.30

Finding the Fourth Proportional to 187,968.56, 259,372.63 and 107,401.30

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Solution

The fourth proportional to 187,968.56, 259,372.63 and 107,401.30 is: 148,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,968.56 : 259,372.63 = 107,401.30 : x
  2. Step 2: Convert to fraction form
    187,968.56/259,372.63 = 107,401.30/x
  3. Step 3: Cross multiply
    187,968.56x = 259,372.63 × 107,401.30
  4. Step 4: Simplify right side
    187,968.56x = 27,856,957,132.24
  5. Step 5: Solve for x
    x = 27,856,957,132.24/187,968.56
  6. Step 6: Final answer
    x = 148,200.09

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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.