Finding the Fourth Proportional to 186,251.90, 257,028.75 and 101,369.84
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Solution
The fourth proportional to 186,251.90, 257,028.75 and 101,369.84 is: 139,890.99
Step by Step Solution
- Step 1: Write the proportion equation
186,251.90 : 257,028.75 = 101,369.84 : x - Step 2: Convert to fraction form
186,251.90/257,028.75 = 101,369.84/x - Step 3: Cross multiply
186,251.90x = 257,028.75 × 101,369.84 - Step 4: Simplify right side
186,251.90x = 26,054,961,977.76 - Step 5: Solve for x
x = 26,054,961,977.76/186,251.90 - Step 6: Final answer
x = 139,890.99
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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.