Home / 274,534.03-411,648.25-84,940.60

Finding the Fourth Proportional to 274,534.03, 411,648.25 and 84,940.60

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Solution

The fourth proportional to 274,534.03, 411,648.25 and 84,940.60 is: 127,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,534.03 : 411,648.25 = 84,940.60 : x
  2. Step 2: Convert to fraction form
    274,534.03/411,648.25 = 84,940.60/x
  3. Step 3: Cross multiply
    274,534.03x = 411,648.25 × 84,940.60
  4. Step 4: Simplify right side
    274,534.03x = 34,965,649,272.48
  5. Step 5: Solve for x
    x = 34,965,649,272.48/274,534.03
  6. Step 6: Final answer
    x = 127,363.62

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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.