Home / 127,704.92-191,556.81-38,958.12

Finding the Fourth Proportional to 127,704.92, 191,556.81 and 38,958.12

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Solution

The fourth proportional to 127,704.92, 191,556.81 and 38,958.12 is: 58,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.92 : 191,556.81 = 38,958.12 : x
  2. Step 2: Convert to fraction form
    127,704.92/191,556.81 = 38,958.12/x
  3. Step 3: Cross multiply
    127,704.92x = 191,556.81 × 38,958.12
  4. Step 4: Simplify right side
    127,704.92x = 7,462,693,190.80
  5. Step 5: Solve for x
    x = 7,462,693,190.80/127,704.92
  6. Step 6: Final answer
    x = 58,437.01

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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.