Home / 127,966.18-191,960.79-34,469.86

Finding the Fourth Proportional to 127,966.18, 191,960.79 and 34,469.86

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Solution

The fourth proportional to 127,966.18, 191,960.79 and 34,469.86 is: 51,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.18 : 191,960.79 = 34,469.86 : x
  2. Step 2: Convert to fraction form
    127,966.18/191,960.79 = 34,469.86/x
  3. Step 3: Cross multiply
    127,966.18x = 191,960.79 × 34,469.86
  4. Step 4: Simplify right side
    127,966.18x = 6,616,861,556.79
  5. Step 5: Solve for x
    x = 6,616,861,556.79/127,966.18
  6. Step 6: Final answer
    x = 51,707.89

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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.