Home / 127,853.67-191,788.19-39,107.94

Finding the Fourth Proportional to 127,853.67, 191,788.19 and 39,107.94

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Solution

The fourth proportional to 127,853.67, 191,788.19 and 39,107.94 is: 58,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853.67 : 191,788.19 = 39,107.94 : x
  2. Step 2: Convert to fraction form
    127,853.67/191,788.19 = 39,107.94/x
  3. Step 3: Cross multiply
    127,853.67x = 191,788.19 × 39,107.94
  4. Step 4: Simplify right side
    127,853.67x = 7,500,440,831.69
  5. Step 5: Solve for x
    x = 7,500,440,831.69/127,853.67
  6. Step 6: Final answer
    x = 58,664.26

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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.