Home / 127,982.20-191,823.80-96,290.43

Finding the Fourth Proportional to 127,982.20, 191,823.80 and 96,290.43

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Solution

The fourth proportional to 127,982.20, 191,823.80 and 96,290.43 is: 144,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982.20 : 191,823.80 = 96,290.43 : x
  2. Step 2: Convert to fraction form
    127,982.20/191,823.80 = 96,290.43/x
  3. Step 3: Cross multiply
    127,982.20x = 191,823.80 × 96,290.43
  4. Step 4: Simplify right side
    127,982.20x = 18,470,794,745.66
  5. Step 5: Solve for x
    x = 18,470,794,745.66/127,982.20
  6. Step 6: Final answer
    x = 144,323.16

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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.