Home / 403,132.20-604,115.10-178,308.60

Finding the Fourth Proportional to 403,132.20, 604,115.10 and 178,308.60

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Solution

The fourth proportional to 403,132.20, 604,115.10 and 178,308.60 is: 267,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,132.20 : 604,115.10 = 178,308.60 : x
  2. Step 2: Convert to fraction form
    403,132.20/604,115.10 = 178,308.60/x
  3. Step 3: Cross multiply
    403,132.20x = 604,115.10 × 178,308.60
  4. Step 4: Simplify right side
    403,132.20x = 107,718,917,719.86
  5. Step 5: Solve for x
    x = 107,718,917,719.86/403,132.20
  6. Step 6: Final answer
    x = 267,204.95

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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.