Home / 214,145.58-321,269.43-73,905.42

Finding the Fourth Proportional to 214,145.58, 321,269.43 and 73,905.42

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Solution

The fourth proportional to 214,145.58, 321,269.43 and 73,905.42 is: 110,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,145.58 : 321,269.43 = 73,905.42 : x
  2. Step 2: Convert to fraction form
    214,145.58/321,269.43 = 73,905.42/x
  3. Step 3: Cross multiply
    214,145.58x = 321,269.43 × 73,905.42
  4. Step 4: Simplify right side
    214,145.58x = 23,743,552,157.31
  5. Step 5: Solve for x
    x = 23,743,552,157.31/214,145.58
  6. Step 6: Final answer
    x = 110,875.75

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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.