Home / 137,868.83-206,624.44-61,911.28

Finding the Fourth Proportional to 137,868.83, 206,624.44 and 61,911.28

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Solution

The fourth proportional to 137,868.83, 206,624.44 and 61,911.28 is: 92,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,868.83 : 206,624.44 = 61,911.28 : x
  2. Step 2: Convert to fraction form
    137,868.83/206,624.44 = 61,911.28/x
  3. Step 3: Cross multiply
    137,868.83x = 206,624.44 × 61,911.28
  4. Step 4: Simplify right side
    137,868.83x = 12,792,383,488.35
  5. Step 5: Solve for x
    x = 12,792,383,488.35/137,868.83
  6. Step 6: Final answer
    x = 92,786.63

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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.