Home / 186,982.38-258,035.67-102,099.51

Finding the Fourth Proportional to 186,982.38, 258,035.67 and 102,099.51

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Solution

The fourth proportional to 186,982.38, 258,035.67 and 102,099.51 is: 140,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,982.38 : 258,035.67 = 102,099.51 : x
  2. Step 2: Convert to fraction form
    186,982.38/258,035.67 = 102,099.51/x
  3. Step 3: Cross multiply
    186,982.38x = 258,035.67 × 102,099.51
  4. Step 4: Simplify right side
    186,982.38x = 26,345,315,469.52
  5. Step 5: Solve for x
    x = 26,345,315,469.52/186,982.38
  6. Step 6: Final answer
    x = 140,897.32

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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.