Home / 187,044.75-258,121.76-102,162.02

Finding the Fourth Proportional to 187,044.75, 258,121.76 and 102,162.02

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Solution

The fourth proportional to 187,044.75, 258,121.76 and 102,162.02 is: 140,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,044.75 : 258,121.76 = 102,162.02 : x
  2. Step 2: Convert to fraction form
    187,044.75/258,121.76 = 102,162.02/x
  3. Step 3: Cross multiply
    187,044.75x = 258,121.76 × 102,162.02
  4. Step 4: Simplify right side
    187,044.75x = 26,370,238,606.14
  5. Step 5: Solve for x
    x = 26,370,238,606.14/187,044.75
  6. Step 6: Final answer
    x = 140,983.58

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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.