Finding the Fourth Proportional to 211,995.41, 292,552.71 and 121,350.88
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Solution
The fourth proportional to 211,995.41, 292,552.71 and 121,350.88 is: 167,463.66
Step by Step Solution
- Step 1: Write the proportion equation
211,995.41 : 292,552.71 = 121,350.88 : x - Step 2: Convert to fraction form
211,995.41/292,552.71 = 121,350.88/x - Step 3: Cross multiply
211,995.41x = 292,552.71 × 121,350.88 - Step 4: Simplify right side
211,995.41x = 35,501,527,342.12 - Step 5: Solve for x
x = 35,501,527,342.12/211,995.41 - Step 6: Final answer
x = 167,463.66
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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.