Finding the Fourth Proportional to 211,733.70, 292,175.15 and 116,237.13
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Solution
The fourth proportional to 211,733.70, 292,175.15 and 116,237.13 is: 160,397.71
Step by Step Solution
- Step 1: Write the proportion equation
211,733.70 : 292,175.15 = 116,237.13 : x - Step 2: Convert to fraction form
211,733.70/292,175.15 = 116,237.13/x - Step 3: Cross multiply
211,733.70x = 292,175.15 × 116,237.13 - Step 4: Simplify right side
211,733.70x = 33,961,600,312.13 - Step 5: Solve for x
x = 33,961,600,312.13/211,733.70 - Step 6: Final answer
x = 160,397.71
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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.