Home / 136,244.38-187,910.74-88,513.10

Finding the Fourth Proportional to 136,244.38, 187,910.74 and 88,513.10

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Solution

The fourth proportional to 136,244.38, 187,910.74 and 88,513.10 is: 122,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,244.38 : 187,910.74 = 88,513.10 : x
  2. Step 2: Convert to fraction form
    136,244.38/187,910.74 = 88,513.10/x
  3. Step 3: Cross multiply
    136,244.38x = 187,910.74 × 88,513.10
  4. Step 4: Simplify right side
    136,244.38x = 16,632,562,120.69
  5. Step 5: Solve for x
    x = 16,632,562,120.69/136,244.38
  6. Step 6: Final answer
    x = 122,078.89

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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.