Home / 286,172.36-394,837.83-178,851.41

Finding the Fourth Proportional to 286,172.36, 394,837.83 and 178,851.41

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Solution

The fourth proportional to 286,172.36, 394,837.83 and 178,851.41 is: 246,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,172.36 : 394,837.83 = 178,851.41 : x
  2. Step 2: Convert to fraction form
    286,172.36/394,837.83 = 178,851.41/x
  3. Step 3: Cross multiply
    286,172.36x = 394,837.83 × 178,851.41
  4. Step 4: Simplify right side
    286,172.36x = 70,617,300,642.65
  5. Step 5: Solve for x
    x = 70,617,300,642.65/286,172.36
  6. Step 6: Final answer
    x = 246,764.93

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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.