Home / 187,405.22-281,090.41-52,481.50

Finding the Fourth Proportional to 187,405.22, 281,090.41 and 52,481.50

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Solution

The fourth proportional to 187,405.22, 281,090.41 and 52,481.50 is: 78,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,405.22 : 281,090.41 = 52,481.50 : x
  2. Step 2: Convert to fraction form
    187,405.22/281,090.41 = 52,481.50/x
  3. Step 3: Cross multiply
    187,405.22x = 281,090.41 × 52,481.50
  4. Step 4: Simplify right side
    187,405.22x = 14,752,046,352.42
  5. Step 5: Solve for x
    x = 14,752,046,352.42/187,405.22
  6. Step 6: Final answer
    x = 78,717.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.