Home / 281,824.84-388,923.30-152,767.54

Finding the Fourth Proportional to 281,824.84, 388,923.30 and 152,767.54

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Solution

The fourth proportional to 281,824.84, 388,923.30 and 152,767.54 is: 210,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,824.84 : 388,923.30 = 152,767.54 : x
  2. Step 2: Convert to fraction form
    281,824.84/388,923.30 = 152,767.54/x
  3. Step 3: Cross multiply
    281,824.84x = 388,923.30 × 152,767.54
  4. Step 4: Simplify right side
    281,824.84x = 59,414,855,789.68
  5. Step 5: Solve for x
    x = 59,414,855,789.68/281,824.84
  6. Step 6: Final answer
    x = 210,821.93

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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.