Home / 204,383.48-281,807.96-139,883.84

Finding the Fourth Proportional to 204,383.48, 281,807.96 and 139,883.84

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Solution

The fourth proportional to 204,383.48, 281,807.96 and 139,883.84 is: 192,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,383.48 : 281,807.96 = 139,883.84 : x
  2. Step 2: Convert to fraction form
    204,383.48/281,807.96 = 139,883.84/x
  3. Step 3: Cross multiply
    204,383.48x = 281,807.96 × 139,883.84
  4. Step 4: Simplify right side
    204,383.48x = 39,420,379,592.47
  5. Step 5: Solve for x
    x = 39,420,379,592.47/204,383.48
  6. Step 6: Final answer
    x = 192,874.59

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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.