Home / 203,940.14-281,437.13-113,304.47

Finding the Fourth Proportional to 203,940.14, 281,437.13 and 113,304.47

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Solution

The fourth proportional to 203,940.14, 281,437.13 and 113,304.47 is: 156,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.14 : 281,437.13 = 113,304.47 : x
  2. Step 2: Convert to fraction form
    203,940.14/281,437.13 = 113,304.47/x
  3. Step 3: Cross multiply
    203,940.14x = 281,437.13 × 113,304.47
  4. Step 4: Simplify right side
    203,940.14x = 31,888,083,729.05
  5. Step 5: Solve for x
    x = 31,888,083,729.05/203,940.14
  6. Step 6: Final answer
    x = 156,360.02

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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.