Home / 187,136.73-258,521.90-161,942.49

Finding the Fourth Proportional to 187,136.73, 258,521.90 and 161,942.49

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Solution

The fourth proportional to 187,136.73, 258,521.90 and 161,942.49 is: 223,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,136.73 : 258,521.90 = 161,942.49 : x
  2. Step 2: Convert to fraction form
    187,136.73/258,521.90 = 161,942.49/x
  3. Step 3: Cross multiply
    187,136.73x = 258,521.90 × 161,942.49
  4. Step 4: Simplify right side
    187,136.73x = 41,865,679,395.82
  5. Step 5: Solve for x
    x = 41,865,679,395.82/187,136.73
  6. Step 6: Final answer
    x = 223,717.06

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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.