Finding the Fourth Proportional to 167,963.24, 251,879.22 and 74,403.38
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Solution
The fourth proportional to 167,963.24, 251,879.22 and 74,403.38 is: 111,575.99
Step by Step Solution
- Step 1: Write the proportion equation
167,963.24 : 251,879.22 = 74,403.38 : x - Step 2: Convert to fraction form
167,963.24/251,879.22 = 74,403.38/x - Step 3: Cross multiply
167,963.24x = 251,879.22 × 74,403.38 - Step 4: Simplify right side
167,963.24x = 18,740,664,060.37 - Step 5: Solve for x
x = 18,740,664,060.37/167,963.24 - Step 6: Final answer
x = 111,575.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.