Finding the Fourth Proportional to 170,407.53, 235,164.05 and 93,929.63
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Solution
The fourth proportional to 170,407.53, 235,164.05 and 93,929.63 is: 129,623.80
Step by Step Solution
- Step 1: Write the proportion equation
170,407.53 : 235,164.05 = 93,929.63 : x - Step 2: Convert to fraction form
170,407.53/235,164.05 = 93,929.63/x - Step 3: Cross multiply
170,407.53x = 235,164.05 × 93,929.63 - Step 4: Simplify right side
170,407.53x = 22,088,870,912.57 - Step 5: Solve for x
x = 22,088,870,912.57/170,407.53 - Step 6: Final answer
x = 129,623.80
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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.