Home / 383,156.22-528,755.46-222,104.76

Finding the Fourth Proportional to 383,156.22, 528,755.46 and 222,104.76

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Solution

The fourth proportional to 383,156.22, 528,755.46 and 222,104.76 is: 306,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,156.22 : 528,755.46 = 222,104.76 : x
  2. Step 2: Convert to fraction form
    383,156.22/528,755.46 = 222,104.76/x
  3. Step 3: Cross multiply
    383,156.22x = 528,755.46 × 222,104.76
  4. Step 4: Simplify right side
    383,156.22x = 117,439,104,541.99
  5. Step 5: Solve for x
    x = 117,439,104,541.99/383,156.22
  6. Step 6: Final answer
    x = 306,504.50

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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.