Home / 203,860.33-281,331.08-113,224.81

Finding the Fourth Proportional to 203,860.33, 281,331.08 and 113,224.81

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Solution

The fourth proportional to 203,860.33, 281,331.08 and 113,224.81 is: 156,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,860.33 : 281,331.08 = 113,224.81 : x
  2. Step 2: Convert to fraction form
    203,860.33/281,331.08 = 113,224.81/x
  3. Step 3: Cross multiply
    203,860.33x = 281,331.08 × 113,224.81
  4. Step 4: Simplify right side
    203,860.33x = 31,853,658,080.09
  5. Step 5: Solve for x
    x = 31,853,658,080.09/203,860.33
  6. Step 6: Final answer
    x = 156,252.36

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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.