Home / 383,161.28-528,762.73-222,109.75

Finding the Fourth Proportional to 383,161.28, 528,762.73 and 222,109.75

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Solution

The fourth proportional to 383,161.28, 528,762.73 and 222,109.75 is: 306,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,161.28 : 528,762.73 = 222,109.75 : x
  2. Step 2: Convert to fraction form
    383,161.28/528,762.73 = 222,109.75/x
  3. Step 3: Cross multiply
    383,161.28x = 528,762.73 × 222,109.75
  4. Step 4: Simplify right side
    383,161.28x = 117,443,354,570.53
  5. Step 5: Solve for x
    x = 117,443,354,570.53/383,161.28
  6. Step 6: Final answer
    x = 306,511.54

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1.5x scale

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.