Home / 135,873.72-203,839.74-56,942.46

Finding the Fourth Proportional to 135,873.72, 203,839.74 and 56,942.46

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Solution

The fourth proportional to 135,873.72, 203,839.74 and 56,942.46 is: 85,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,873.72 : 203,839.74 = 56,942.46 : x
  2. Step 2: Convert to fraction form
    135,873.72/203,839.74 = 56,942.46/x
  3. Step 3: Cross multiply
    135,873.72x = 203,839.74 × 56,942.46
  4. Step 4: Simplify right side
    135,873.72x = 11,607,136,241.36
  5. Step 5: Solve for x
    x = 11,607,136,241.36/135,873.72
  6. Step 6: Final answer
    x = 85,425.91

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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.