Home / 203,857.40-281,313.78-113,219.16

Finding the Fourth Proportional to 203,857.40, 281,313.78 and 113,219.16

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Solution

The fourth proportional to 203,857.40, 281,313.78 and 113,219.16 is: 156,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,857.40 : 281,313.78 = 113,219.16 : x
  2. Step 2: Convert to fraction form
    203,857.40/281,313.78 = 113,219.16/x
  3. Step 3: Cross multiply
    203,857.40x = 281,313.78 × 113,219.16
  4. Step 4: Simplify right side
    203,857.40x = 31,850,109,868.02
  5. Step 5: Solve for x
    x = 31,850,109,868.02/203,857.40
  6. Step 6: Final answer
    x = 156,237.20

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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.