Home / 185,537.25-278,305.19-67,180.91

Finding the Fourth Proportional to 185,537.25, 278,305.19 and 67,180.91

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Solution

The fourth proportional to 185,537.25, 278,305.19 and 67,180.91 is: 100,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,537.25 : 278,305.19 = 67,180.91 : x
  2. Step 2: Convert to fraction form
    185,537.25/278,305.19 = 67,180.91/x
  3. Step 3: Cross multiply
    185,537.25x = 278,305.19 × 67,180.91
  4. Step 4: Simplify right side
    185,537.25x = 18,696,794,194.49
  5. Step 5: Solve for x
    x = 18,696,794,194.49/185,537.25
  6. Step 6: Final answer
    x = 100,771.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.