Home / 327,516.16-491,360.10-102,867.52

Finding the Fourth Proportional to 327,516.16, 491,360.10 and 102,867.52

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Solution

The fourth proportional to 327,516.16, 491,360.10 and 102,867.52 is: 154,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,516.16 : 491,360.10 = 102,867.52 : x
  2. Step 2: Convert to fraction form
    327,516.16/491,360.10 = 102,867.52/x
  3. Step 3: Cross multiply
    327,516.16x = 491,360.10 × 102,867.52
  4. Step 4: Simplify right side
    327,516.16x = 50,544,994,913.95
  5. Step 5: Solve for x
    x = 50,544,994,913.95/327,516.16
  6. Step 6: Final answer
    x = 154,328.25

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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.