Home / 203,858.42-281,315.23-113,220.14

Finding the Fourth Proportional to 203,858.42, 281,315.23 and 113,220.14

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Solution

The fourth proportional to 203,858.42, 281,315.23 and 113,220.14 is: 156,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,858.42 : 281,315.23 = 113,220.14 : x
  2. Step 2: Convert to fraction form
    203,858.42/281,315.23 = 113,220.14/x
  3. Step 3: Cross multiply
    203,858.42x = 281,315.23 × 113,220.14
  4. Step 4: Simplify right side
    203,858.42x = 31,850,548,035.11
  5. Step 5: Solve for x
    x = 31,850,548,035.11/203,858.42
  6. Step 6: Final answer
    x = 156,238.57

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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.