Home / 203,818.28-281,259.84-113,180.01

Finding the Fourth Proportional to 203,818.28, 281,259.84 and 113,180.01

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Solution

The fourth proportional to 203,818.28, 281,259.84 and 113,180.01 is: 156,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,818.28 : 281,259.84 = 113,180.01 : x
  2. Step 2: Convert to fraction form
    203,818.28/281,259.84 = 113,180.01/x
  3. Step 3: Cross multiply
    203,818.28x = 281,259.84 × 113,180.01
  4. Step 4: Simplify right side
    203,818.28x = 31,832,991,503.80
  5. Step 5: Solve for x
    x = 31,832,991,503.80/203,818.28
  6. Step 6: Final answer
    x = 156,183.21

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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.