Home / 149,373.60-205,997.02-109,023.44

Finding the Fourth Proportional to 149,373.60, 205,997.02 and 109,023.44

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Solution

The fourth proportional to 149,373.60, 205,997.02 and 109,023.44 is: 150,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,373.60 : 205,997.02 = 109,023.44 : x
  2. Step 2: Convert to fraction form
    149,373.60/205,997.02 = 109,023.44/x
  3. Step 3: Cross multiply
    149,373.60x = 205,997.02 × 109,023.44
  4. Step 4: Simplify right side
    149,373.60x = 22,458,503,750.15
  5. Step 5: Solve for x
    x = 22,458,503,750.15/149,373.60
  6. Step 6: Final answer
    x = 150,351.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.