Finding the Fourth Proportional to 151,776.63, 209,466.63 and 88,110.63
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Solution
The fourth proportional to 151,776.63, 209,466.63 and 88,110.63 is: 121,601.31
Step by Step Solution
- Step 1: Write the proportion equation
151,776.63 : 209,466.63 = 88,110.63 : x - Step 2: Convert to fraction form
151,776.63/209,466.63 = 88,110.63/x - Step 3: Cross multiply
151,776.63x = 209,466.63 × 88,110.63 - Step 4: Simplify right side
151,776.63x = 18,456,236,733.28 - Step 5: Solve for x
x = 18,456,236,733.28/151,776.63 - Step 6: Final answer
x = 121,601.31
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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.