Home / 222,326.74-306,987.78-205,324.75

Finding the Fourth Proportional to 222,326.74, 306,987.78 and 205,324.75

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Solution

The fourth proportional to 222,326.74, 306,987.78 and 205,324.75 is: 283,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,326.74 : 306,987.78 = 205,324.75 : x
  2. Step 2: Convert to fraction form
    222,326.74/306,987.78 = 205,324.75/x
  3. Step 3: Cross multiply
    222,326.74x = 306,987.78 × 205,324.75
  4. Step 4: Simplify right side
    222,326.74x = 63,032,189,181.56
  5. Step 5: Solve for x
    x = 63,032,189,181.56/222,326.74
  6. Step 6: Final answer
    x = 283,511.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.