Home / 321,823.70-444,137.48-178,583.75

Finding the Fourth Proportional to 321,823.70, 444,137.48 and 178,583.75

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Solution

The fourth proportional to 321,823.70, 444,137.48 and 178,583.75 is: 246,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,823.70 : 444,137.48 = 178,583.75 : x
  2. Step 2: Convert to fraction form
    321,823.70/444,137.48 = 178,583.75/x
  3. Step 3: Cross multiply
    321,823.70x = 444,137.48 × 178,583.75
  4. Step 4: Simplify right side
    321,823.70x = 79,315,735,915.55
  5. Step 5: Solve for x
    x = 79,315,735,915.55/321,823.70
  6. Step 6: Final answer
    x = 246,457.10

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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.