Home / 187,610.31-258,942.42-119,611.62

Finding the Fourth Proportional to 187,610.31, 258,942.42 and 119,611.62

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Solution

The fourth proportional to 187,610.31, 258,942.42 and 119,611.62 is: 165,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.31 : 258,942.42 = 119,611.62 : x
  2. Step 2: Convert to fraction form
    187,610.31/258,942.42 = 119,611.62/x
  3. Step 3: Cross multiply
    187,610.31x = 258,942.42 × 119,611.62
  4. Step 4: Simplify right side
    187,610.31x = 30,972,522,342.92
  5. Step 5: Solve for x
    x = 30,972,522,342.92/187,610.31
  6. Step 6: Final answer
    x = 165,089.66

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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.