Finding the Fourth Proportional to 160,474.24, 221,473.68 and 93,406.24
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Solution
The fourth proportional to 160,474.24, 221,473.68 and 93,406.24 is: 128,911.80
Step by Step Solution
- Step 1: Write the proportion equation
160,474.24 : 221,473.68 = 93,406.24 : x - Step 2: Convert to fraction form
160,474.24/221,473.68 = 93,406.24/x - Step 3: Cross multiply
160,474.24x = 221,473.68 × 93,406.24 - Step 4: Simplify right side
160,474.24x = 20,687,023,707.76 - Step 5: Solve for x
x = 20,687,023,707.76/160,474.24 - Step 6: Final answer
x = 128,911.80
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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.