Home / 151,997.06-228,041.73-80,907.60

Finding the Fourth Proportional to 151,997.06, 228,041.73 and 80,907.60

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Solution

The fourth proportional to 151,997.06, 228,041.73 and 80,907.60 is: 121,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,997.06 : 228,041.73 = 80,907.60 : x
  2. Step 2: Convert to fraction form
    151,997.06/228,041.73 = 80,907.60/x
  3. Step 3: Cross multiply
    151,997.06x = 228,041.73 × 80,907.60
  4. Step 4: Simplify right side
    151,997.06x = 18,450,309,074.15
  5. Step 5: Solve for x
    x = 18,450,309,074.15/151,997.06
  6. Step 6: Final answer
    x = 121,385.96

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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.