Finding the Fourth Proportional to 239,927.60, 359,677.50 and 121,538
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Solution
The fourth proportional to 239,927.60, 359,677.50 and 121,538 is: 182,198.65
Step by Step Solution
- Step 1: Write the proportion equation
239,927.60 : 359,677.50 = 121,538 : x - Step 2: Convert to fraction form
239,927.60/359,677.50 = 121,538/x - Step 3: Cross multiply
239,927.60x = 359,677.50 × 121,538 - Step 4: Simplify right side
239,927.60x = 43,714,483,995 - Step 5: Solve for x
x = 43,714,483,995/239,927.60 - Step 6: Final answer
x = 182,198.65
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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.