Home / 203,828.96-281,291.08-113,186.48

Finding the Fourth Proportional to 203,828.96, 281,291.08 and 113,186.48

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Solution

The fourth proportional to 203,828.96, 281,291.08 and 113,186.48 is: 156,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,828.96 : 281,291.08 = 113,186.48 : x
  2. Step 2: Convert to fraction form
    203,828.96/281,291.08 = 113,186.48/x
  3. Step 3: Cross multiply
    203,828.96x = 281,291.08 × 113,186.48
  4. Step 4: Simplify right side
    203,828.96x = 31,838,347,200.60
  5. Step 5: Solve for x
    x = 31,838,347,200.60/203,828.96
  6. Step 6: Final answer
    x = 156,201.29

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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.