Home / 258,284.82-356,605.20-161,635.62

Finding the Fourth Proportional to 258,284.82, 356,605.20 and 161,635.62

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Solution

The fourth proportional to 258,284.82, 356,605.20 and 161,635.62 is: 223,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,284.82 : 356,605.20 = 161,635.62 : x
  2. Step 2: Convert to fraction form
    258,284.82/356,605.20 = 161,635.62/x
  3. Step 3: Cross multiply
    258,284.82x = 356,605.20 × 161,635.62
  4. Step 4: Simplify right side
    258,284.82x = 57,640,102,597.22
  5. Step 5: Solve for x
    x = 57,640,102,597.22/258,284.82
  6. Step 6: Final answer
    x = 223,164.89

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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.