Home / 319,848.75-441,396.74-206,868.33

Finding the Fourth Proportional to 319,848.75, 441,396.74 and 206,868.33

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Solution

The fourth proportional to 319,848.75, 441,396.74 and 206,868.33 is: 285,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,848.75 : 441,396.74 = 206,868.33 : x
  2. Step 2: Convert to fraction form
    319,848.75/441,396.74 = 206,868.33/x
  3. Step 3: Cross multiply
    319,848.75x = 441,396.74 × 206,868.33
  4. Step 4: Simplify right side
    319,848.75x = 91,311,006,988.42
  5. Step 5: Solve for x
    x = 91,311,006,988.42/319,848.75
  6. Step 6: Final answer
    x = 285,481.83

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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.