Home / 383,145.04-528,739.96-222,093.44

Finding the Fourth Proportional to 383,145.04, 528,739.96 and 222,093.44

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Solution

The fourth proportional to 383,145.04, 528,739.96 and 222,093.44 is: 306,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,145.04 : 528,739.96 = 222,093.44 : x
  2. Step 2: Convert to fraction form
    383,145.04/528,739.96 = 222,093.44/x
  3. Step 3: Cross multiply
    383,145.04x = 528,739.96 × 222,093.44
  4. Step 4: Simplify right side
    383,145.04x = 117,429,676,581.86
  5. Step 5: Solve for x
    x = 117,429,676,581.86/383,145.04
  6. Step 6: Final answer
    x = 306,488.83

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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.