Home / 204,426.16-281,866.71-139,926.49

Finding the Fourth Proportional to 204,426.16, 281,866.71 and 139,926.49

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Solution

The fourth proportional to 204,426.16, 281,866.71 and 139,926.49 is: 192,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,426.16 : 281,866.71 = 139,926.49 : x
  2. Step 2: Convert to fraction form
    204,426.16/281,866.71 = 139,926.49/x
  3. Step 3: Cross multiply
    204,426.16x = 281,866.71 × 139,926.49
  4. Step 4: Simplify right side
    204,426.16x = 39,440,619,378.15
  5. Step 5: Solve for x
    x = 39,440,619,378.15/204,426.16
  6. Step 6: Final answer
    x = 192,933.33

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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.