Home / 203,940.01-281,436.96-113,304.34

Finding the Fourth Proportional to 203,940.01, 281,436.96 and 113,304.34

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Solution

The fourth proportional to 203,940.01, 281,436.96 and 113,304.34 is: 156,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.01 : 281,436.96 = 113,304.34 : x
  2. Step 2: Convert to fraction form
    203,940.01/281,436.96 = 113,304.34/x
  3. Step 3: Cross multiply
    203,940.01x = 281,436.96 × 113,304.34
  4. Step 4: Simplify right side
    203,940.01x = 31,888,029,004.41
  5. Step 5: Solve for x
    x = 31,888,029,004.41/203,940.01
  6. Step 6: Final answer
    x = 156,359.85

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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.