Finding the Fourth Proportional to 186,731.16, 257,692.50 and 101,851.26
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Solution
The fourth proportional to 186,731.16, 257,692.50 and 101,851.26 is: 140,556.65
Step by Step Solution
- Step 1: Write the proportion equation
186,731.16 : 257,692.50 = 101,851.26 : x - Step 2: Convert to fraction form
186,731.16/257,692.50 = 101,851.26/x - Step 3: Cross multiply
186,731.16x = 257,692.50 × 101,851.26 - Step 4: Simplify right side
186,731.16x = 26,246,305,817.55 - Step 5: Solve for x
x = 26,246,305,817.55/186,731.16 - Step 6: Final answer
x = 140,556.65
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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.