Home / 122,997.40-184,496.10-111,916.60

Finding the Fourth Proportional to 122,997.40, 184,496.10 and 111,916.60

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Solution

The fourth proportional to 122,997.40, 184,496.10 and 111,916.60 is: 167,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,997.40 : 184,496.10 = 111,916.60 : x
  2. Step 2: Convert to fraction form
    122,997.40/184,496.10 = 111,916.60/x
  3. Step 3: Cross multiply
    122,997.40x = 184,496.10 × 111,916.60
  4. Step 4: Simplify right side
    122,997.40x = 20,648,176,225.26
  5. Step 5: Solve for x
    x = 20,648,176,225.26/122,997.40
  6. Step 6: Final answer
    x = 167,874.90

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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.