Finding the Fourth Proportional to 211,747.48, 292,083.12 and 125,649.74
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Solution
The fourth proportional to 211,747.48, 292,083.12 and 125,649.74 is: 173,320.45
Step by Step Solution
- Step 1: Write the proportion equation
211,747.48 : 292,083.12 = 125,649.74 : x - Step 2: Convert to fraction form
211,747.48/292,083.12 = 125,649.74/x - Step 3: Cross multiply
211,747.48x = 292,083.12 × 125,649.74 - Step 4: Simplify right side
211,747.48x = 36,700,168,086.39 - Step 5: Solve for x
x = 36,700,168,086.39/211,747.48 - Step 6: Final answer
x = 173,320.45
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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.