Home / 383,100.93-528,679.26-222,049.38

Finding the Fourth Proportional to 383,100.93, 528,679.26 and 222,049.38

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Solution

The fourth proportional to 383,100.93, 528,679.26 and 222,049.38 is: 306,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,100.93 : 528,679.26 = 222,049.38 : x
  2. Step 2: Convert to fraction form
    383,100.93/528,679.26 = 222,049.38/x
  3. Step 3: Cross multiply
    383,100.93x = 528,679.26 × 222,049.38
  4. Step 4: Simplify right side
    383,100.93x = 117,392,901,901.86
  5. Step 5: Solve for x
    x = 117,392,901,901.86/383,100.93
  6. Step 6: Final answer
    x = 306,428.13

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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.