Home / 383,166.09-528,768.90-222,114.42

Finding the Fourth Proportional to 383,166.09, 528,768.90 and 222,114.42

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Solution

The fourth proportional to 383,166.09, 528,768.90 and 222,114.42 is: 306,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,166.09 : 528,768.90 = 222,114.42 : x
  2. Step 2: Convert to fraction form
    383,166.09/528,768.90 = 222,114.42/x
  3. Step 3: Cross multiply
    383,166.09x = 528,768.90 × 222,114.42
  4. Step 4: Simplify right side
    383,166.09x = 117,447,197,537.54
  5. Step 5: Solve for x
    x = 117,447,197,537.54/383,166.09
  6. Step 6: Final answer
    x = 306,517.72

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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.