Home / 403,135.20-604,839.42-178,464.60

Finding the Fourth Proportional to 403,135.20, 604,839.42 and 178,464.60

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Solution

The fourth proportional to 403,135.20, 604,839.42 and 178,464.60 is: 267,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,135.20 : 604,839.42 = 178,464.60 : x
  2. Step 2: Convert to fraction form
    403,135.20/604,839.42 = 178,464.60/x
  3. Step 3: Cross multiply
    403,135.20x = 604,839.42 × 178,464.60
  4. Step 4: Simplify right side
    403,135.20x = 107,942,425,154.53
  5. Step 5: Solve for x
    x = 107,942,425,154.53/403,135.20
  6. Step 6: Final answer
    x = 267,757.38

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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.