Finding the Fourth Proportional to 186,646.06, 257,578.05 and 106,076.98
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Solution
The fourth proportional to 186,646.06, 257,578.05 and 106,076.98 is: 146,389.92
Step by Step Solution
- Step 1: Write the proportion equation
186,646.06 : 257,578.05 = 106,076.98 : x - Step 2: Convert to fraction form
186,646.06/257,578.05 = 106,076.98/x - Step 3: Cross multiply
186,646.06x = 257,578.05 × 106,076.98 - Step 4: Simplify right side
186,646.06x = 27,323,101,658.29 - Step 5: Solve for x
x = 27,323,101,658.29/186,646.06 - Step 6: Final answer
x = 146,389.92
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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.