Finding the Fourth Proportional to 169,843.18, 234,378.49 and 97,243.66
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Solution
The fourth proportional to 169,843.18, 234,378.49 and 97,243.66 is: 134,193.33
Step by Step Solution
- Step 1: Write the proportion equation
169,843.18 : 234,378.49 = 97,243.66 : x - Step 2: Convert to fraction form
169,843.18/234,378.49 = 97,243.66/x - Step 3: Cross multiply
169,843.18x = 234,378.49 × 97,243.66 - Step 4: Simplify right side
169,843.18x = 22,791,822,192.87 - Step 5: Solve for x
x = 22,791,822,192.87/169,843.18 - Step 6: Final answer
x = 134,193.33
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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.