Home / 327,137.07-490,504.62-127,224.39

Finding the Fourth Proportional to 327,137.07, 490,504.62 and 127,224.39

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Solution

The fourth proportional to 327,137.07, 490,504.62 and 127,224.39 is: 190,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,137.07 : 490,504.62 = 127,224.39 : x
  2. Step 2: Convert to fraction form
    327,137.07/490,504.62 = 127,224.39/x
  3. Step 3: Cross multiply
    327,137.07x = 490,504.62 × 127,224.39
  4. Step 4: Simplify right side
    327,137.07x = 62,404,151,071.68
  5. Step 5: Solve for x
    x = 62,404,151,071.68/327,137.07
  6. Step 6: Final answer
    x = 190,758.42

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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.