Finding the Fourth Proportional to 163,934.93, 226,224.11 and 91,336.12
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Solution
The fourth proportional to 163,934.93, 226,224.11 and 91,336.12 is: 126,040.45
Step by Step Solution
- Step 1: Write the proportion equation
163,934.93 : 226,224.11 = 91,336.12 : x - Step 2: Convert to fraction form
163,934.93/226,224.11 = 91,336.12/x - Step 3: Cross multiply
163,934.93x = 226,224.11 × 91,336.12 - Step 4: Simplify right side
163,934.93x = 20,662,432,120.63 - Step 5: Solve for x
x = 20,662,432,120.63/163,934.93 - Step 6: Final answer
x = 126,040.45
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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.