Finding the Fourth Proportional to 211,743.11, 292,204.26 and 114,948.92
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Solution
The fourth proportional to 211,743.11, 292,204.26 and 114,948.92 is: 158,628.84
Step by Step Solution
- Step 1: Write the proportion equation
211,743.11 : 292,204.26 = 114,948.92 : x - Step 2: Convert to fraction form
211,743.11/292,204.26 = 114,948.92/x - Step 3: Cross multiply
211,743.11x = 292,204.26 × 114,948.92 - Step 4: Simplify right side
211,743.11x = 33,588,562,645.38 - Step 5: Solve for x
x = 33,588,562,645.38/211,743.11 - Step 6: Final answer
x = 158,628.84
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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.