Finding the Fourth Proportional to 211,101.63, 291,320.69 and 114,306.54
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Solution
The fourth proportional to 211,101.63, 291,320.69 and 114,306.54 is: 157,743.26
Step by Step Solution
- Step 1: Write the proportion equation
211,101.63 : 291,320.69 = 114,306.54 : x - Step 2: Convert to fraction form
211,101.63/291,320.69 = 114,306.54/x - Step 3: Cross multiply
211,101.63x = 291,320.69 × 114,306.54 - Step 4: Simplify right side
211,101.63x = 33,299,859,233.13 - Step 5: Solve for x
x = 33,299,859,233.13/211,101.63 - Step 6: Final answer
x = 157,743.26
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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.