Home / 133,568.88-200,348.46-40,072.20

Finding the Fourth Proportional to 133,568.88, 200,348.46 and 40,072.20

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Solution

The fourth proportional to 133,568.88, 200,348.46 and 40,072.20 is: 60,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,568.88 : 200,348.46 = 40,072.20 : x
  2. Step 2: Convert to fraction form
    133,568.88/200,348.46 = 40,072.20/x
  3. Step 3: Cross multiply
    133,568.88x = 200,348.46 × 40,072.20
  4. Step 4: Simplify right side
    133,568.88x = 8,028,403,558.81
  5. Step 5: Solve for x
    x = 8,028,403,558.81/133,568.88
  6. Step 6: Final answer
    x = 60,106.84

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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.