Home / 131,561.48-197,354.66-36,791.66

Finding the Fourth Proportional to 131,561.48, 197,354.66 and 36,791.66

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Solution

The fourth proportional to 131,561.48, 197,354.66 and 36,791.66 is: 55,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,561.48 : 197,354.66 = 36,791.66 : x
  2. Step 2: Convert to fraction form
    131,561.48/197,354.66 = 36,791.66/x
  3. Step 3: Cross multiply
    131,561.48x = 197,354.66 × 36,791.66
  4. Step 4: Simplify right side
    131,561.48x = 7,261,004,379.40
  5. Step 5: Solve for x
    x = 7,261,004,379.40/131,561.48
  6. Step 6: Final answer
    x = 55,190.96

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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.