Home / 327,435.16-491,233.84-156,786.72

Finding the Fourth Proportional to 327,435.16, 491,233.84 and 156,786.72

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Solution

The fourth proportional to 327,435.16, 491,233.84 and 156,786.72 is: 235,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,435.16 : 491,233.84 = 156,786.72 : x
  2. Step 2: Convert to fraction form
    327,435.16/491,233.84 = 156,786.72/x
  3. Step 3: Cross multiply
    327,435.16x = 491,233.84 × 156,786.72
  4. Step 4: Simplify right side
    327,435.16x = 77,018,943,806.99
  5. Step 5: Solve for x
    x = 77,018,943,806.99/327,435.16
  6. Step 6: Final answer
    x = 235,218.92

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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.