Home / 213,448.53-320,220.33-63,691.41

Finding the Fourth Proportional to 213,448.53, 320,220.33 and 63,691.41

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Solution

The fourth proportional to 213,448.53, 320,220.33 and 63,691.41 is: 95,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,448.53 : 320,220.33 = 63,691.41 : x
  2. Step 2: Convert to fraction form
    213,448.53/320,220.33 = 63,691.41/x
  3. Step 3: Cross multiply
    213,448.53x = 320,220.33 × 63,691.41
  4. Step 4: Simplify right side
    213,448.53x = 20,395,284,328.37
  5. Step 5: Solve for x
    x = 20,395,284,328.37/213,448.53
  6. Step 6: Final answer
    x = 95,551.30

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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.