Finding the Fourth Proportional to 114,115.14, 157,466.79 and 63,119.79
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Solution
The fourth proportional to 114,115.14, 157,466.79 and 63,119.79 is: 87,098.62
Step by Step Solution
- Step 1: Write the proportion equation
114,115.14 : 157,466.79 = 63,119.79 : x - Step 2: Convert to fraction form
114,115.14/157,466.79 = 63,119.79/x - Step 3: Cross multiply
114,115.14x = 157,466.79 × 63,119.79 - Step 4: Simplify right side
114,115.14x = 9,939,270,716.77 - Step 5: Solve for x
x = 9,939,270,716.77/114,115.14 - Step 6: Final answer
x = 87,098.62
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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.