Finding the Fourth Proportional to 226,679.84, 340,015.92 and 78,932
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Solution
The fourth proportional to 226,679.84, 340,015.92 and 78,932 is: 118,396.66
Step by Step Solution
- Step 1: Write the proportion equation
226,679.84 : 340,015.92 = 78,932 : x - Step 2: Convert to fraction form
226,679.84/340,015.92 = 78,932/x - Step 3: Cross multiply
226,679.84x = 340,015.92 × 78,932 - Step 4: Simplify right side
226,679.84x = 26,838,136,597.44 - Step 5: Solve for x
x = 26,838,136,597.44/226,679.84 - Step 6: Final answer
x = 118,396.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.