Finding the Fourth Proportional to 211,668.80, 292,102.62 and 116,175.74
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Solution
The fourth proportional to 211,668.80, 292,102.62 and 116,175.74 is: 160,322.34
Step by Step Solution
- Step 1: Write the proportion equation
211,668.80 : 292,102.62 = 116,175.74 : x - Step 2: Convert to fraction form
211,668.80/292,102.62 = 116,175.74/x - Step 3: Cross multiply
211,668.80x = 292,102.62 × 116,175.74 - Step 4: Simplify right side
211,668.80x = 33,935,238,034.44 - Step 5: Solve for x
x = 33,935,238,034.44/211,668.80 - Step 6: Final answer
x = 160,322.34
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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.