Home / 321,907.20-444,286.91-185,916.71

Finding the Fourth Proportional to 321,907.20, 444,286.91 and 185,916.71

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Solution

The fourth proportional to 321,907.20, 444,286.91 and 185,916.71 is: 256,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,907.20 : 444,286.91 = 185,916.71 : x
  2. Step 2: Convert to fraction form
    321,907.20/444,286.91 = 185,916.71/x
  3. Step 3: Cross multiply
    321,907.20x = 444,286.91 × 185,916.71
  4. Step 4: Simplify right side
    321,907.20x = 82,600,360,603.27
  5. Step 5: Solve for x
    x = 82,600,360,603.27/321,907.20
  6. Step 6: Final answer
    x = 256,596.81

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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.