Finding the Fourth Proportional to 211,966.98, 292,514.36 and 116,479.83
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Solution
The fourth proportional to 211,966.98, 292,514.36 and 116,479.83 is: 160,742.12
Step by Step Solution
- Step 1: Write the proportion equation
211,966.98 : 292,514.36 = 116,479.83 : x - Step 2: Convert to fraction form
211,966.98/292,514.36 = 116,479.83/x - Step 3: Cross multiply
211,966.98x = 292,514.36 × 116,479.83 - Step 4: Simplify right side
211,966.98x = 34,072,022,342.96 - Step 5: Solve for x
x = 34,072,022,342.96/211,966.98 - Step 6: Final answer
x = 160,742.12
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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.