Home / 122,790.26-184,184.78-106,099.20

Finding the Fourth Proportional to 122,790.26, 184,184.78 and 106,099.20

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Solution

The fourth proportional to 122,790.26, 184,184.78 and 106,099.20 is: 159,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,790.26 : 184,184.78 = 106,099.20 : x
  2. Step 2: Convert to fraction form
    122,790.26/184,184.78 = 106,099.20/x
  3. Step 3: Cross multiply
    122,790.26x = 184,184.78 × 106,099.20
  4. Step 4: Simplify right side
    122,790.26x = 19,541,857,614.96
  5. Step 5: Solve for x
    x = 19,541,857,614.96/122,790.26
  6. Step 6: Final answer
    x = 159,148.27

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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.