Home / 203,828.52-281,273.88-113,190.22

Finding the Fourth Proportional to 203,828.52, 281,273.88 and 113,190.22

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Solution

The fourth proportional to 203,828.52, 281,273.88 and 113,190.22 is: 156,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,828.52 : 281,273.88 = 113,190.22 : x
  2. Step 2: Convert to fraction form
    203,828.52/281,273.88 = 113,190.22/x
  3. Step 3: Cross multiply
    203,828.52x = 281,273.88 × 113,190.22
  4. Step 4: Simplify right side
    203,828.52x = 31,837,452,357.45
  5. Step 5: Solve for x
    x = 31,837,452,357.45/203,828.52
  6. Step 6: Final answer
    x = 156,197.24

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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.