Home / 131,857.37-197,791.50-38,363.12

Finding the Fourth Proportional to 131,857.37, 197,791.50 and 38,363.12

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Solution

The fourth proportional to 131,857.37, 197,791.50 and 38,363.12 is: 57,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,857.37 : 197,791.50 = 38,363.12 : x
  2. Step 2: Convert to fraction form
    131,857.37/197,791.50 = 38,363.12/x
  3. Step 3: Cross multiply
    131,857.37x = 197,791.50 × 38,363.12
  4. Step 4: Simplify right side
    131,857.37x = 7,587,898,060.52
  5. Step 5: Solve for x
    x = 7,587,898,060.52/131,857.37
  6. Step 6: Final answer
    x = 57,546.26

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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.