Home / 187,229.21-258,376.31-102,346.26

Finding the Fourth Proportional to 187,229.21, 258,376.31 and 102,346.26

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Solution

The fourth proportional to 187,229.21, 258,376.31 and 102,346.26 is: 141,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,229.21 : 258,376.31 = 102,346.26 : x
  2. Step 2: Convert to fraction form
    187,229.21/258,376.31 = 102,346.26/x
  3. Step 3: Cross multiply
    187,229.21x = 258,376.31 × 102,346.26
  4. Step 4: Simplify right side
    187,229.21x = 26,443,848,489.37
  5. Step 5: Solve for x
    x = 26,443,848,489.37/187,229.21
  6. Step 6: Final answer
    x = 141,237.84

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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.