Home / 133,803.20-200,704.96-40,335.68

Finding the Fourth Proportional to 133,803.20, 200,704.96 and 40,335.68

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Solution

The fourth proportional to 133,803.20, 200,704.96 and 40,335.68 is: 60,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,803.20 : 200,704.96 = 40,335.68 : x
  2. Step 2: Convert to fraction form
    133,803.20/200,704.96 = 40,335.68/x
  3. Step 3: Cross multiply
    133,803.20x = 200,704.96 × 40,335.68
  4. Step 4: Simplify right side
    133,803.20x = 8,095,571,040.97
  5. Step 5: Solve for x
    x = 8,095,571,040.97/133,803.20
  6. Step 6: Final answer
    x = 60,503.57

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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.