Home / 203,858.33-281,328.32-113,222.81

Finding the Fourth Proportional to 203,858.33, 281,328.32 and 113,222.81

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Solution

The fourth proportional to 203,858.33, 281,328.32 and 113,222.81 is: 156,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,858.33 : 281,328.32 = 113,222.81 : x
  2. Step 2: Convert to fraction form
    203,858.33/281,328.32 = 113,222.81/x
  3. Step 3: Cross multiply
    203,858.33x = 281,328.32 × 113,222.81
  4. Step 4: Simplify right side
    203,858.33x = 31,852,783,909.36
  5. Step 5: Solve for x
    x = 31,852,783,909.36/203,858.33
  6. Step 6: Final answer
    x = 156,249.61

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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.