Finding the Fourth Proportional to 168,798.99, 232,933.17 and 92,302.92
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Solution
The fourth proportional to 168,798.99, 232,933.17 and 92,302.92 is: 127,372.87
Step by Step Solution
- Step 1: Write the proportion equation
168,798.99 : 232,933.17 = 92,302.92 : x - Step 2: Convert to fraction form
168,798.99/232,933.17 = 92,302.92/x - Step 3: Cross multiply
168,798.99x = 232,933.17 × 92,302.92 - Step 4: Simplify right side
168,798.99x = 21,500,411,755.86 - Step 5: Solve for x
x = 21,500,411,755.86/168,798.99 - Step 6: Final answer
x = 127,372.87
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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.