Finding the Fourth Proportional to 168,802.99, 232,938.69 and 92,306.92
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Solution
The fourth proportional to 168,802.99, 232,938.69 and 92,306.92 is: 127,378.39
Step by Step Solution
- Step 1: Write the proportion equation
168,802.99 : 232,938.69 = 92,306.92 : x - Step 2: Convert to fraction form
168,802.99/232,938.69 = 92,306.92/x - Step 3: Cross multiply
168,802.99x = 232,938.69 × 92,306.92 - Step 4: Simplify right side
168,802.99x = 21,501,853,022.73 - Step 5: Solve for x
x = 21,501,853,022.73/168,802.99 - Step 6: Final answer
x = 127,378.39
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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.