Home / 262,629.04-393,910.56-73,103.60

Finding the Fourth Proportional to 262,629.04, 393,910.56 and 73,103.60

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Solution

The fourth proportional to 262,629.04, 393,910.56 and 73,103.60 is: 109,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,629.04 : 393,910.56 = 73,103.60 : x
  2. Step 2: Convert to fraction form
    262,629.04/393,910.56 = 73,103.60/x
  3. Step 3: Cross multiply
    262,629.04x = 393,910.56 × 73,103.60
  4. Step 4: Simplify right side
    262,629.04x = 28,796,280,014.02
  5. Step 5: Solve for x
    x = 28,796,280,014.02/262,629.04
  6. Step 6: Final answer
    x = 109,646.21

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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.