Home / 214,629.80-322,203.90-213,074.60

Finding the Fourth Proportional to 214,629.80, 322,203.90 and 213,074.60

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Solution

The fourth proportional to 214,629.80, 322,203.90 and 213,074.60 is: 319,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,629.80 : 322,203.90 = 213,074.60 : x
  2. Step 2: Convert to fraction form
    214,629.80/322,203.90 = 213,074.60/x
  3. Step 3: Cross multiply
    214,629.80x = 322,203.90 × 213,074.60
  4. Step 4: Simplify right side
    214,629.80x = 68,653,467,110.94
  5. Step 5: Solve for x
    x = 68,653,467,110.94/214,629.80
  6. Step 6: Final answer
    x = 319,869.22

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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.