Home / 200,822.20-301,216.98-67,699.60

Finding the Fourth Proportional to 200,822.20, 301,216.98 and 67,699.60

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Solution

The fourth proportional to 200,822.20, 301,216.98 and 67,699.60 is: 101,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,822.20 : 301,216.98 = 67,699.60 : x
  2. Step 2: Convert to fraction form
    200,822.20/301,216.98 = 67,699.60/x
  3. Step 3: Cross multiply
    200,822.20x = 301,216.98 × 67,699.60
  4. Step 4: Simplify right side
    200,822.20x = 20,392,269,059.21
  5. Step 5: Solve for x
    x = 20,392,269,059.21/200,822.20
  6. Step 6: Final answer
    x = 101,543.90

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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.