Home / 327,756.34-491,631.77-91,098.34

Finding the Fourth Proportional to 327,756.34, 491,631.77 and 91,098.34

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Solution

The fourth proportional to 327,756.34, 491,631.77 and 91,098.34 is: 136,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,756.34 : 491,631.77 = 91,098.34 : x
  2. Step 2: Convert to fraction form
    327,756.34/491,631.77 = 91,098.34/x
  3. Step 3: Cross multiply
    327,756.34x = 491,631.77 × 91,098.34
  4. Step 4: Simplify right side
    327,756.34x = 44,786,837,136.93
  5. Step 5: Solve for x
    x = 44,786,837,136.93/327,756.34
  6. Step 6: Final answer
    x = 136,646.74

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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.