Finding the Fourth Proportional to 170,383.17, 235,130.37 and 93,905.07
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Solution
The fourth proportional to 170,383.17, 235,130.37 and 93,905.07 is: 129,589.88
Step by Step Solution
- Step 1: Write the proportion equation
170,383.17 : 235,130.37 = 93,905.07 : x - Step 2: Convert to fraction form
170,383.17/235,130.37 = 93,905.07/x - Step 3: Cross multiply
170,383.17x = 235,130.37 × 93,905.07 - Step 4: Simplify right side
170,383.17x = 22,079,933,853.98 - Step 5: Solve for x
x = 22,079,933,853.98/170,383.17 - Step 6: Final answer
x = 129,589.88
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1.5x scale
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.