Finding the Fourth Proportional to 168,476.75, 232,308.38 and 137,753.99
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Solution
The fourth proportional to 168,476.75, 232,308.38 and 137,753.99 is: 189,945.53
Step by Step Solution
- Step 1: Write the proportion equation
168,476.75 : 232,308.38 = 137,753.99 : x - Step 2: Convert to fraction form
168,476.75/232,308.38 = 137,753.99/x - Step 3: Cross multiply
168,476.75x = 232,308.38 × 137,753.99 - Step 4: Simplify right side
168,476.75x = 32,001,405,566.67 - Step 5: Solve for x
x = 32,001,405,566.67/168,476.75 - Step 6: Final answer
x = 189,945.53
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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.