Home / 383,099.18-528,676.87-222,047.66

Finding the Fourth Proportional to 383,099.18, 528,676.87 and 222,047.66

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Solution

The fourth proportional to 383,099.18, 528,676.87 and 222,047.66 is: 306,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,099.18 : 528,676.87 = 222,047.66 : x
  2. Step 2: Convert to fraction form
    383,099.18/528,676.87 = 222,047.66/x
  3. Step 3: Cross multiply
    383,099.18x = 528,676.87 × 222,047.66
  4. Step 4: Simplify right side
    383,099.18x = 117,391,461,879.62
  5. Step 5: Solve for x
    x = 117,391,461,879.62/383,099.18
  6. Step 6: Final answer
    x = 306,425.77

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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.