Home / 107,971.20-161,706.24-104,233.44

Finding the Fourth Proportional to 107,971.20, 161,706.24 and 104,233.44

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Solution

The fourth proportional to 107,971.20, 161,706.24 and 104,233.44 is: 156,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,971.20 : 161,706.24 = 104,233.44 : x
  2. Step 2: Convert to fraction form
    107,971.20/161,706.24 = 104,233.44/x
  3. Step 3: Cross multiply
    107,971.20x = 161,706.24 × 104,233.44
  4. Step 4: Simplify right side
    107,971.20x = 16,855,197,664.67
  5. Step 5: Solve for x
    x = 16,855,197,664.67/107,971.20
  6. Step 6: Final answer
    x = 156,108.27

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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.