Finding the Fourth Proportional to 211,757.01, 292,186.55 and 119,875.68
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Solution
The fourth proportional to 211,757.01, 292,186.55 and 119,875.68 is: 165,406.85
Step by Step Solution
- Step 1: Write the proportion equation
211,757.01 : 292,186.55 = 119,875.68 : x - Step 2: Convert to fraction form
211,757.01/292,186.55 = 119,875.68/x - Step 3: Cross multiply
211,757.01x = 292,186.55 × 119,875.68 - Step 4: Simplify right side
211,757.01x = 35,026,060,768.73 - Step 5: Solve for x
x = 35,026,060,768.73/211,757.01 - Step 6: Final answer
x = 165,406.85
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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.