Home / 203,612.53-281,010.23-117,571.29

Finding the Fourth Proportional to 203,612.53, 281,010.23 and 117,571.29

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Solution

The fourth proportional to 203,612.53, 281,010.23 and 117,571.29 is: 162,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,612.53 : 281,010.23 = 117,571.29 : x
  2. Step 2: Convert to fraction form
    203,612.53/281,010.23 = 117,571.29/x
  3. Step 3: Cross multiply
    203,612.53x = 281,010.23 × 117,571.29
  4. Step 4: Simplify right side
    203,612.53x = 33,038,735,244.30
  5. Step 5: Solve for x
    x = 33,038,735,244.30/203,612.53
  6. Step 6: Final answer
    x = 162,262.78

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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.