Home / 274,062.20-411,323.70-133,940.60

Finding the Fourth Proportional to 274,062.20, 411,323.70 and 133,940.60

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Solution

The fourth proportional to 274,062.20, 411,323.70 and 133,940.60 is: 201,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,062.20 : 411,323.70 = 133,940.60 : x
  2. Step 2: Convert to fraction form
    274,062.20/411,323.70 = 133,940.60/x
  3. Step 3: Cross multiply
    274,062.20x = 411,323.70 × 133,940.60
  4. Step 4: Simplify right side
    274,062.20x = 55,092,943,172.22
  5. Step 5: Solve for x
    x = 55,092,943,172.22/274,062.20
  6. Step 6: Final answer
    x = 201,023.50

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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.