Home / 327,702.24-491,744.43-138,151.01

Finding the Fourth Proportional to 327,702.24, 491,744.43 and 138,151.01

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Solution

The fourth proportional to 327,702.24, 491,744.43 and 138,151.01 is: 207,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,702.24 : 491,744.43 = 138,151.01 : x
  2. Step 2: Convert to fraction form
    327,702.24/491,744.43 = 138,151.01/x
  3. Step 3: Cross multiply
    327,702.24x = 491,744.43 × 138,151.01
  4. Step 4: Simplify right side
    327,702.24x = 67,934,987,207.65
  5. Step 5: Solve for x
    x = 67,934,987,207.65/327,702.24
  6. Step 6: Final answer
    x = 207,307.06

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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.