Home / 127,930.80-191,896.20-61,336.65

Finding the Fourth Proportional to 127,930.80, 191,896.20 and 61,336.65

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Solution

The fourth proportional to 127,930.80, 191,896.20 and 61,336.65 is: 92,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.80 : 191,896.20 = 61,336.65 : x
  2. Step 2: Convert to fraction form
    127,930.80/191,896.20 = 61,336.65/x
  3. Step 3: Cross multiply
    127,930.80x = 191,896.20 × 61,336.65
  4. Step 4: Simplify right side
    127,930.80x = 11,770,270,055.73
  5. Step 5: Solve for x
    x = 11,770,270,055.73/127,930.80
  6. Step 6: Final answer
    x = 92,004.98

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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.