Home / 107,828.20-161,771.10-96,221.80

Finding the Fourth Proportional to 107,828.20, 161,771.10 and 96,221.80

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Solution

The fourth proportional to 107,828.20, 161,771.10 and 96,221.80 is: 144,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,828.20 : 161,771.10 = 96,221.80 : x
  2. Step 2: Convert to fraction form
    107,828.20/161,771.10 = 96,221.80/x
  3. Step 3: Cross multiply
    107,828.20x = 161,771.10 × 96,221.80
  4. Step 4: Simplify right side
    107,828.20x = 15,565,906,429.98
  5. Step 5: Solve for x
    x = 15,565,906,429.98/107,828.20
  6. Step 6: Final answer
    x = 144,358.40

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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.