Finding the Fourth Proportional to 226,987.74, 313,240.14 and 125,011.26
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Solution
The fourth proportional to 226,987.74, 313,240.14 and 125,011.26 is: 172,513.92
Step by Step Solution
- Step 1: Write the proportion equation
226,987.74 : 313,240.14 = 125,011.26 : x - Step 2: Convert to fraction form
226,987.74/313,240.14 = 125,011.26/x - Step 3: Cross multiply
226,987.74x = 313,240.14 × 125,011.26 - Step 4: Simplify right side
226,987.74x = 39,158,544,583.98 - Step 5: Solve for x
x = 39,158,544,583.98/226,987.74 - Step 6: Final answer
x = 172,513.92
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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.