Home / 328,087.68-491,749.20-150,613.44

Finding the Fourth Proportional to 328,087.68, 491,749.20 and 150,613.44

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Solution

The fourth proportional to 328,087.68, 491,749.20 and 150,613.44 is: 225,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,087.68 : 491,749.20 = 150,613.44 : x
  2. Step 2: Convert to fraction form
    328,087.68/491,749.20 = 150,613.44/x
  3. Step 3: Cross multiply
    328,087.68x = 491,749.20 × 150,613.44
  4. Step 4: Simplify right side
    328,087.68x = 74,064,038,629.25
  5. Step 5: Solve for x
    x = 74,064,038,629.25/328,087.68
  6. Step 6: Final answer
    x = 225,744.65

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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.