Home / 327,442.83-491,352.57-137,888.25

Finding the Fourth Proportional to 327,442.83, 491,352.57 and 137,888.25

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Solution

The fourth proportional to 327,442.83, 491,352.57 and 137,888.25 is: 206,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,442.83 : 491,352.57 = 137,888.25 : x
  2. Step 2: Convert to fraction form
    327,442.83/491,352.57 = 137,888.25/x
  3. Step 3: Cross multiply
    327,442.83x = 491,352.57 × 137,888.25
  4. Step 4: Simplify right side
    327,442.83x = 67,751,746,010.30
  5. Step 5: Solve for x
    x = 67,751,746,010.30/327,442.83
  6. Step 6: Final answer
    x = 206,911.68

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1.5x scale

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.