Finding the Fourth Proportional to 160,657.44, 221,733.36 and 153,570.48
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Solution
The fourth proportional to 160,657.44, 221,733.36 and 153,570.48 is: 211,952.20
Step by Step Solution
- Step 1: Write the proportion equation
160,657.44 : 221,733.36 = 153,570.48 : x - Step 2: Convert to fraction form
160,657.44/221,733.36 = 153,570.48/x - Step 3: Cross multiply
160,657.44x = 221,733.36 × 153,570.48 - Step 4: Simplify right side
160,657.44x = 34,051,698,527.21 - Step 5: Solve for x
x = 34,051,698,527.21/160,657.44 - Step 6: Final answer
x = 211,952.20
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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.