Finding the Fourth Proportional to 226,917.59, 313,143.62 and 124,940.88
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Solution
The fourth proportional to 226,917.59, 313,143.62 and 124,940.88 is: 172,416.95
Step by Step Solution
- Step 1: Write the proportion equation
226,917.59 : 313,143.62 = 124,940.88 : x - Step 2: Convert to fraction form
226,917.59/313,143.62 = 124,940.88/x - Step 3: Cross multiply
226,917.59x = 313,143.62 × 124,940.88 - Step 4: Simplify right side
226,917.59x = 39,124,438,824.48 - Step 5: Solve for x
x = 39,124,438,824.48/226,917.59 - Step 6: Final answer
x = 172,416.95
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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.