Home / 203,923.72-281,406.72-113,285.44

Finding the Fourth Proportional to 203,923.72, 281,406.72 and 113,285.44

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Solution

The fourth proportional to 203,923.72, 281,406.72 and 113,285.44 is: 156,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,923.72 : 281,406.72 = 113,285.44 : x
  2. Step 2: Convert to fraction form
    203,923.72/281,406.72 = 113,285.44/x
  3. Step 3: Cross multiply
    203,923.72x = 281,406.72 × 113,285.44
  4. Step 4: Simplify right side
    203,923.72x = 31,879,284,094.16
  5. Step 5: Solve for x
    x = 31,879,284,094.16/203,923.72
  6. Step 6: Final answer
    x = 156,329.46

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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.