Finding the Fourth Proportional to 211,790.09, 292,270.68 and 116,302.84
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Solution
The fourth proportional to 211,790.09, 292,270.68 and 116,302.84 is: 160,498.11
Step by Step Solution
- Step 1: Write the proportion equation
211,790.09 : 292,270.68 = 116,302.84 : x - Step 2: Convert to fraction form
211,790.09/292,270.68 = 116,302.84/x - Step 3: Cross multiply
211,790.09x = 292,270.68 × 116,302.84 - Step 4: Simplify right side
211,790.09x = 33,991,909,402.05 - Step 5: Solve for x
x = 33,991,909,402.05/211,790.09 - Step 6: Final answer
x = 160,498.11
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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.