Home / 127,988.02-192,004.81-43,757.54

Finding the Fourth Proportional to 127,988.02, 192,004.81 and 43,757.54

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Solution

The fourth proportional to 127,988.02, 192,004.81 and 43,757.54 is: 65,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,988.02 : 192,004.81 = 43,757.54 : x
  2. Step 2: Convert to fraction form
    127,988.02/192,004.81 = 43,757.54/x
  3. Step 3: Cross multiply
    127,988.02x = 192,004.81 × 43,757.54
  4. Step 4: Simplify right side
    127,988.02x = 8,401,658,153.77
  5. Step 5: Solve for x
    x = 8,401,658,153.77/127,988.02
  6. Step 6: Final answer
    x = 65,644.10

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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.