Home / 351,726.31-485,382.74-190,581.23

Finding the Fourth Proportional to 351,726.31, 485,382.74 and 190,581.23

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Solution

The fourth proportional to 351,726.31, 485,382.74 and 190,581.23 is: 263,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,726.31 : 485,382.74 = 190,581.23 : x
  2. Step 2: Convert to fraction form
    351,726.31/485,382.74 = 190,581.23/x
  3. Step 3: Cross multiply
    351,726.31x = 485,382.74 × 190,581.23
  4. Step 4: Simplify right side
    351,726.31x = 92,504,839,609.97
  5. Step 5: Solve for x
    x = 92,504,839,609.97/351,726.31
  6. Step 6: Final answer
    x = 263,002.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.