Home / 327,557.28-491,341.98-102,913.50

Finding the Fourth Proportional to 327,557.28, 491,341.98 and 102,913.50

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Solution

The fourth proportional to 327,557.28, 491,341.98 and 102,913.50 is: 154,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,557.28 : 491,341.98 = 102,913.50 : x
  2. Step 2: Convert to fraction form
    327,557.28/491,341.98 = 102,913.50/x
  3. Step 3: Cross multiply
    327,557.28x = 491,341.98 × 102,913.50
  4. Step 4: Simplify right side
    327,557.28x = 50,565,722,858.73
  5. Step 5: Solve for x
    x = 50,565,722,858.73/327,557.28
  6. Step 6: Final answer
    x = 154,372.15

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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.