Finding the Fourth Proportional to 151,331.98, 208,738.12 and 94,644.94
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Solution
The fourth proportional to 151,331.98, 208,738.12 and 94,644.94 is: 130,547.46
Step by Step Solution
- Step 1: Write the proportion equation
151,331.98 : 208,738.12 = 94,644.94 : x - Step 2: Convert to fraction form
151,331.98/208,738.12 = 94,644.94/x - Step 3: Cross multiply
151,331.98x = 208,738.12 × 94,644.94 - Step 4: Simplify right side
151,331.98x = 19,756,005,326.20 - Step 5: Solve for x
x = 19,756,005,326.20/151,331.98 - Step 6: Final answer
x = 130,547.46
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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.