Home / 327,125.52-490,682.39-178,312.95

Finding the Fourth Proportional to 327,125.52, 490,682.39 and 178,312.95

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Solution

The fourth proportional to 327,125.52, 490,682.39 and 178,312.95 is: 267,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,125.52 : 490,682.39 = 178,312.95 : x
  2. Step 2: Convert to fraction form
    327,125.52/490,682.39 = 178,312.95/x
  3. Step 3: Cross multiply
    327,125.52x = 490,682.39 × 178,312.95
  4. Step 4: Simplify right side
    327,125.52x = 87,495,023,582.39
  5. Step 5: Solve for x
    x = 87,495,023,582.39/327,125.52
  6. Step 6: Final answer
    x = 267,466.21

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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.