Home / 403,131.71-604,323.21-178,372.10

Finding the Fourth Proportional to 403,131.71, 604,323.21 and 178,372.10

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Solution

The fourth proportional to 403,131.71, 604,323.21 and 178,372.10 is: 267,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,131.71 : 604,323.21 = 178,372.10 : x
  2. Step 2: Convert to fraction form
    403,131.71/604,323.21 = 178,372.10/x
  3. Step 3: Cross multiply
    403,131.71x = 604,323.21 × 178,372.10
  4. Step 4: Simplify right side
    403,131.71x = 107,794,400,046.44
  5. Step 5: Solve for x
    x = 107,794,400,046.44/403,131.71
  6. Step 6: Final answer
    x = 267,392.51

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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.