Finding the Fourth Proportional to 187,959.23, 281,970.43 and 93,194.09
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Solution
The fourth proportional to 187,959.23, 281,970.43 and 93,194.09 is: 139,806.79
Step by Step Solution
- Step 1: Write the proportion equation
187,959.23 : 281,970.43 = 93,194.09 : x - Step 2: Convert to fraction form
187,959.23/281,970.43 = 93,194.09/x - Step 3: Cross multiply
187,959.23x = 281,970.43 × 93,194.09 - Step 4: Simplify right side
187,959.23x = 26,277,975,987.92 - Step 5: Solve for x
x = 26,277,975,987.92/187,959.23 - Step 6: Final answer
x = 139,806.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.