Home / 321,190.09-481,785.49-96,550.51

Finding the Fourth Proportional to 321,190.09, 481,785.49 and 96,550.51

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Solution

The fourth proportional to 321,190.09, 481,785.49 and 96,550.51 is: 144,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,190.09 : 481,785.49 = 96,550.51 : x
  2. Step 2: Convert to fraction form
    321,190.09/481,785.49 = 96,550.51/x
  3. Step 3: Cross multiply
    321,190.09x = 481,785.49 × 96,550.51
  4. Step 4: Simplify right side
    321,190.09x = 46,516,634,522.47
  5. Step 5: Solve for x
    x = 46,516,634,522.47/321,190.09
  6. Step 6: Final answer
    x = 144,825.87

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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.