Home / 327,920.21-491,833.58-103,274.79

Finding the Fourth Proportional to 327,920.21, 491,833.58 and 103,274.79

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Solution

The fourth proportional to 327,920.21, 491,833.58 and 103,274.79 is: 154,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,920.21 : 491,833.58 = 103,274.79 : x
  2. Step 2: Convert to fraction form
    327,920.21/491,833.58 = 103,274.79/x
  3. Step 3: Cross multiply
    327,920.21x = 491,833.58 × 103,274.79
  4. Step 4: Simplify right side
    327,920.21x = 50,794,009,689.45
  5. Step 5: Solve for x
    x = 50,794,009,689.45/327,920.21
  6. Step 6: Final answer
    x = 154,897.47

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1.5x scale

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.