Home / 152,620.20-228,954.78-73,740.60

Finding the Fourth Proportional to 152,620.20, 228,954.78 and 73,740.60

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Solution

The fourth proportional to 152,620.20, 228,954.78 and 73,740.60 is: 110,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,620.20 : 228,954.78 = 73,740.60 : x
  2. Step 2: Convert to fraction form
    152,620.20/228,954.78 = 73,740.60/x
  3. Step 3: Cross multiply
    152,620.20x = 228,954.78 × 73,740.60
  4. Step 4: Simplify right side
    152,620.20x = 16,883,262,850.07
  5. Step 5: Solve for x
    x = 16,883,262,850.07/152,620.20
  6. Step 6: Final answer
    x = 110,622.73

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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.