Finding the Fourth Proportional to 186,823.06, 257,821.50 and 106,262.17
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Solution
The fourth proportional to 186,823.06, 257,821.50 and 106,262.17 is: 146,645.02
Step by Step Solution
- Step 1: Write the proportion equation
186,823.06 : 257,821.50 = 106,262.17 : x - Step 2: Convert to fraction form
186,823.06/257,821.50 = 106,262.17/x - Step 3: Cross multiply
186,823.06x = 257,821.50 × 106,262.17 - Step 4: Simplify right side
186,823.06x = 27,396,670,242.24 - Step 5: Solve for x
x = 27,396,670,242.24/186,823.06 - Step 6: Final answer
x = 146,645.02
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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.