Finding the Fourth Proportional to 170,912.99, 235,864.68 and 94,437.01
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Solution
The fourth proportional to 170,912.99, 235,864.68 and 94,437.01 is: 130,325.70
Step by Step Solution
- Step 1: Write the proportion equation
170,912.99 : 235,864.68 = 94,437.01 : x - Step 2: Convert to fraction form
170,912.99/235,864.68 = 94,437.01/x - Step 3: Cross multiply
170,912.99x = 235,864.68 × 94,437.01 - Step 4: Simplify right side
170,912.99x = 22,274,355,143.81 - Step 5: Solve for x
x = 22,274,355,143.81/170,912.99 - Step 6: Final answer
x = 130,325.70
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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.