Home / 383,253.24-528,890.22-222,139.32

Finding the Fourth Proportional to 383,253.24, 528,890.22 and 222,139.32

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Solution

The fourth proportional to 383,253.24, 528,890.22 and 222,139.32 is: 306,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,253.24 : 528,890.22 = 222,139.32 : x
  2. Step 2: Convert to fraction form
    383,253.24/528,890.22 = 222,139.32/x
  3. Step 3: Cross multiply
    383,253.24x = 528,890.22 × 222,139.32
  4. Step 4: Simplify right side
    383,253.24x = 117,487,313,825.45
  5. Step 5: Solve for x
    x = 117,487,313,825.45/383,253.24
  6. Step 6: Final answer
    x = 306,552.70

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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.