Home / 203,739.44-281,162.88-113,097.20

Finding the Fourth Proportional to 203,739.44, 281,162.88 and 113,097.20

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Solution

The fourth proportional to 203,739.44, 281,162.88 and 113,097.20 is: 156,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,739.44 : 281,162.88 = 113,097.20 : x
  2. Step 2: Convert to fraction form
    203,739.44/281,162.88 = 113,097.20/x
  3. Step 3: Cross multiply
    203,739.44x = 281,162.88 × 113,097.20
  4. Step 4: Simplify right side
    203,739.44x = 31,798,734,471.94
  5. Step 5: Solve for x
    x = 31,798,734,471.94/203,739.44
  6. Step 6: Final answer
    x = 156,075.50

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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.