Home / 172,786.75-238,416.79-96,289.07

Finding the Fourth Proportional to 172,786.75, 238,416.79 and 96,289.07

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Solution

The fourth proportional to 172,786.75, 238,416.79 and 96,289.07 is: 132,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,786.75 : 238,416.79 = 96,289.07 : x
  2. Step 2: Convert to fraction form
    172,786.75/238,416.79 = 96,289.07/x
  3. Step 3: Cross multiply
    172,786.75x = 238,416.79 × 96,289.07
  4. Step 4: Simplify right side
    172,786.75x = 22,956,930,981.49
  5. Step 5: Solve for x
    x = 22,956,930,981.49/172,786.75
  6. Step 6: Final answer
    x = 132,862.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.