Home / 262,625.04-393,904.56-73,099.60

Finding the Fourth Proportional to 262,625.04, 393,904.56 and 73,099.60

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Solution

The fourth proportional to 262,625.04, 393,904.56 and 73,099.60 is: 109,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,625.04 : 393,904.56 = 73,099.60 : x
  2. Step 2: Convert to fraction form
    262,625.04/393,904.56 = 73,099.60/x
  3. Step 3: Cross multiply
    262,625.04x = 393,904.56 × 73,099.60
  4. Step 4: Simplify right side
    262,625.04x = 28,794,265,774.18
  5. Step 5: Solve for x
    x = 28,794,265,774.18/262,625.04
  6. Step 6: Final answer
    x = 109,640.21

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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.