Home / 203,722.11-281,123.46-113,078.16

Finding the Fourth Proportional to 203,722.11, 281,123.46 and 113,078.16

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Solution

The fourth proportional to 203,722.11, 281,123.46 and 113,078.16 is: 156,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,722.11 : 281,123.46 = 113,078.16 : x
  2. Step 2: Convert to fraction form
    203,722.11/281,123.46 = 113,078.16/x
  3. Step 3: Cross multiply
    203,722.11x = 281,123.46 × 113,078.16
  4. Step 4: Simplify right side
    203,722.11x = 31,788,923,589.63
  5. Step 5: Solve for x
    x = 31,788,923,589.63/203,722.11
  6. Step 6: Final answer
    x = 156,040.62

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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.