Home / 204,404.25-281,836.55-139,904.57

Finding the Fourth Proportional to 204,404.25, 281,836.55 and 139,904.57

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Solution

The fourth proportional to 204,404.25, 281,836.55 and 139,904.57 is: 192,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,404.25 : 281,836.55 = 139,904.57 : x
  2. Step 2: Convert to fraction form
    204,404.25/281,836.55 = 139,904.57/x
  3. Step 3: Cross multiply
    204,404.25x = 281,836.55 × 139,904.57
  4. Step 4: Simplify right side
    204,404.25x = 39,430,219,229.33
  5. Step 5: Solve for x
    x = 39,430,219,229.33/204,404.25
  6. Step 6: Final answer
    x = 192,903.13

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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.