Home / 274,705.35-412,042.06-82,575.63

Finding the Fourth Proportional to 274,705.35, 412,042.06 and 82,575.63

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Solution

The fourth proportional to 274,705.35, 412,042.06 and 82,575.63 is: 123,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,705.35 : 412,042.06 = 82,575.63 : x
  2. Step 2: Convert to fraction form
    274,705.35/412,042.06 = 82,575.63/x
  3. Step 3: Cross multiply
    274,705.35x = 412,042.06 × 82,575.63
  4. Step 4: Simplify right side
    274,705.35x = 34,024,631,867.33
  5. Step 5: Solve for x
    x = 34,024,631,867.33/274,705.35
  6. Step 6: Final answer
    x = 123,858.64

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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.