Home / 187,137.73-258,523.28-161,943.49

Finding the Fourth Proportional to 187,137.73, 258,523.28 and 161,943.49

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Solution

The fourth proportional to 187,137.73, 258,523.28 and 161,943.49 is: 223,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,137.73 : 258,523.28 = 161,943.49 : x
  2. Step 2: Convert to fraction form
    187,137.73/258,523.28 = 161,943.49/x
  3. Step 3: Cross multiply
    187,137.73x = 258,523.28 × 161,943.49
  4. Step 4: Simplify right side
    187,137.73x = 41,866,162,209.45
  5. Step 5: Solve for x
    x = 41,866,162,209.45/187,137.73
  6. Step 6: Final answer
    x = 223,718.45

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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.