Home / 185,290.20-277,720.74-85,240.44

Finding the Fourth Proportional to 185,290.20, 277,720.74 and 85,240.44

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Solution

The fourth proportional to 185,290.20, 277,720.74 and 85,240.44 is: 127,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,290.20 : 277,720.74 = 85,240.44 : x
  2. Step 2: Convert to fraction form
    185,290.20/277,720.74 = 85,240.44/x
  3. Step 3: Cross multiply
    185,290.20x = 277,720.74 × 85,240.44
  4. Step 4: Simplify right side
    185,290.20x = 23,673,038,074.73
  5. Step 5: Solve for x
    x = 23,673,038,074.73/185,290.20
  6. Step 6: Final answer
    x = 127,761.95

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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.