Finding the Fourth Proportional to 173,615.69, 239,640.08 and 101,035.54
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Solution
The fourth proportional to 173,615.69, 239,640.08 and 101,035.54 is: 139,458.39
Step by Step Solution
- Step 1: Write the proportion equation
173,615.69 : 239,640.08 = 101,035.54 : x - Step 2: Convert to fraction form
173,615.69/239,640.08 = 101,035.54/x - Step 3: Cross multiply
173,615.69x = 239,640.08 × 101,035.54 - Step 4: Simplify right side
173,615.69x = 24,212,164,888.44 - Step 5: Solve for x
x = 24,212,164,888.44/173,615.69 - Step 6: Final answer
x = 139,458.39
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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.