Home / 192,948.38-266,361.32-135,636.83

Finding the Fourth Proportional to 192,948.38, 266,361.32 and 135,636.83

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Solution

The fourth proportional to 192,948.38, 266,361.32 and 135,636.83 is: 187,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,948.38 : 266,361.32 = 135,636.83 : x
  2. Step 2: Convert to fraction form
    192,948.38/266,361.32 = 135,636.83/x
  3. Step 3: Cross multiply
    192,948.38x = 266,361.32 × 135,636.83
  4. Step 4: Simplify right side
    192,948.38x = 36,128,404,401.23
  5. Step 5: Solve for x
    x = 36,128,404,401.23/192,948.38
  6. Step 6: Final answer
    x = 187,243.89

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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.