Home / 127,989.02-192,006.31-43,758.54

Finding the Fourth Proportional to 127,989.02, 192,006.31 and 43,758.54

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Solution

The fourth proportional to 127,989.02, 192,006.31 and 43,758.54 is: 65,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,989.02 : 192,006.31 = 43,758.54 : x
  2. Step 2: Convert to fraction form
    127,989.02/192,006.31 = 43,758.54/x
  3. Step 3: Cross multiply
    127,989.02x = 192,006.31 × 43,758.54
  4. Step 4: Simplify right side
    127,989.02x = 8,401,915,796.39
  5. Step 5: Solve for x
    x = 8,401,915,796.39/127,989.02
  6. Step 6: Final answer
    x = 65,645.60

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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.