Home / 187,231.50-258,379.47-102,349.17

Finding the Fourth Proportional to 187,231.50, 258,379.47 and 102,349.17

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Solution

The fourth proportional to 187,231.50, 258,379.47 and 102,349.17 is: 141,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,231.50 : 258,379.47 = 102,349.17 : x
  2. Step 2: Convert to fraction form
    187,231.50/258,379.47 = 102,349.17/x
  3. Step 3: Cross multiply
    187,231.50x = 258,379.47 × 102,349.17
  4. Step 4: Simplify right side
    187,231.50x = 26,444,924,299.54
  5. Step 5: Solve for x
    x = 26,444,924,299.54/187,231.50
  6. Step 6: Final answer
    x = 141,241.85

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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.