Home / 122,847.40-184,271.10-109,714.60

Finding the Fourth Proportional to 122,847.40, 184,271.10 and 109,714.60

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Solution

The fourth proportional to 122,847.40, 184,271.10 and 109,714.60 is: 164,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,847.40 : 184,271.10 = 109,714.60 : x
  2. Step 2: Convert to fraction form
    122,847.40/184,271.10 = 109,714.60/x
  3. Step 3: Cross multiply
    122,847.40x = 184,271.10 × 109,714.60
  4. Step 4: Simplify right side
    122,847.40x = 20,217,230,028.06
  5. Step 5: Solve for x
    x = 20,217,230,028.06/122,847.40
  6. Step 6: Final answer
    x = 164,571.90

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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.