Home / 327,618.51-491,427.19-102,998.58

Finding the Fourth Proportional to 327,618.51, 491,427.19 and 102,998.58

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Solution

The fourth proportional to 327,618.51, 491,427.19 and 102,998.58 is: 154,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,618.51 : 491,427.19 = 102,998.58 : x
  2. Step 2: Convert to fraction form
    327,618.51/491,427.19 = 102,998.58/x
  3. Step 3: Cross multiply
    327,618.51x = 491,427.19 × 102,998.58
  4. Step 4: Simplify right side
    327,618.51x = 50,616,302,743.39
  5. Step 5: Solve for x
    x = 50,616,302,743.39/327,618.51
  6. Step 6: Final answer
    x = 154,497.69

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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.