Home / 383,147.04-528,742.72-222,095.44

Finding the Fourth Proportional to 383,147.04, 528,742.72 and 222,095.44

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Solution

The fourth proportional to 383,147.04, 528,742.72 and 222,095.44 is: 306,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,147.04 : 528,742.72 = 222,095.44 : x
  2. Step 2: Convert to fraction form
    383,147.04/528,742.72 = 222,095.44/x
  3. Step 3: Cross multiply
    383,147.04x = 528,742.72 × 222,095.44
  4. Step 4: Simplify right side
    383,147.04x = 117,431,347,045.20
  5. Step 5: Solve for x
    x = 117,431,347,045.20/383,147.04
  6. Step 6: Final answer
    x = 306,491.59

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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.