Home / 196,021.56-294,163.43-83,728.02

Finding the Fourth Proportional to 196,021.56, 294,163.43 and 83,728.02

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Solution

The fourth proportional to 196,021.56, 294,163.43 and 83,728.02 is: 125,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,021.56 : 294,163.43 = 83,728.02 : x
  2. Step 2: Convert to fraction form
    196,021.56/294,163.43 = 83,728.02/x
  3. Step 3: Cross multiply
    196,021.56x = 294,163.43 × 83,728.02
  4. Step 4: Simplify right side
    196,021.56x = 24,629,721,131.67
  5. Step 5: Solve for x
    x = 24,629,721,131.67/196,021.56
  6. Step 6: Final answer
    x = 125,648.02

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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.