Home / 326,414.21-489,227.60-168,556.61

Finding the Fourth Proportional to 326,414.21, 489,227.60 and 168,556.61

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Solution

The fourth proportional to 326,414.21, 489,227.60 and 168,556.61 is: 252,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,414.21 : 489,227.60 = 168,556.61 : x
  2. Step 2: Convert to fraction form
    326,414.21/489,227.60 = 168,556.61/x
  3. Step 3: Cross multiply
    326,414.21x = 489,227.60 × 168,556.61
  4. Step 4: Simplify right side
    326,414.21x = 82,462,544,931.65
  5. Step 5: Solve for x
    x = 82,462,544,931.65/326,414.21
  6. Step 6: Final answer
    x = 252,631.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.