Home / 127,945.86-191,940.26-39,177.96

Finding the Fourth Proportional to 127,945.86, 191,940.26 and 39,177.96

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Solution

The fourth proportional to 127,945.86, 191,940.26 and 39,177.96 is: 58,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.86 : 191,940.26 = 39,177.96 : x
  2. Step 2: Convert to fraction form
    127,945.86/191,940.26 = 39,177.96/x
  3. Step 3: Cross multiply
    127,945.86x = 191,940.26 × 39,177.96
  4. Step 4: Simplify right side
    127,945.86x = 7,519,827,632.78
  5. Step 5: Solve for x
    x = 7,519,827,632.78/127,945.86
  6. Step 6: Final answer
    x = 58,773.51

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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.