Home / 203,686.11-281,120.42-113,071.07

Finding the Fourth Proportional to 203,686.11, 281,120.42 and 113,071.07

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Solution

The fourth proportional to 203,686.11, 281,120.42 and 113,071.07 is: 156,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,686.11 : 281,120.42 = 113,071.07 : x
  2. Step 2: Convert to fraction form
    203,686.11/281,120.42 = 113,071.07/x
  3. Step 3: Cross multiply
    203,686.11x = 281,120.42 × 113,071.07
  4. Step 4: Simplify right side
    203,686.11x = 31,786,587,673.73
  5. Step 5: Solve for x
    x = 31,786,587,673.73/203,686.11
  6. Step 6: Final answer
    x = 156,056.73

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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.