Home / 203,895.64-281,379.26-114,469.72

Finding the Fourth Proportional to 203,895.64, 281,379.26 and 114,469.72

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Solution

The fourth proportional to 203,895.64, 281,379.26 and 114,469.72 is: 157,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,895.64 : 281,379.26 = 114,469.72 : x
  2. Step 2: Convert to fraction form
    203,895.64/281,379.26 = 114,469.72/x
  3. Step 3: Cross multiply
    203,895.64x = 281,379.26 × 114,469.72
  4. Step 4: Simplify right side
    203,895.64x = 32,209,405,106.01
  5. Step 5: Solve for x
    x = 32,209,405,106.01/203,895.64
  6. Step 6: Final answer
    x = 157,970.05

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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.