Finding the Fourth Proportional to 186,317.58, 257,110.11 and 101,434.62
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Solution
The fourth proportional to 186,317.58, 257,110.11 and 101,434.62 is: 139,975.34
Step by Step Solution
- Step 1: Write the proportion equation
186,317.58 : 257,110.11 = 101,434.62 : x - Step 2: Convert to fraction form
186,317.58/257,110.11 = 101,434.62/x - Step 3: Cross multiply
186,317.58x = 257,110.11 × 101,434.62 - Step 4: Simplify right side
186,317.58x = 26,079,866,306.01 - Step 5: Solve for x
x = 26,079,866,306.01/186,317.58 - Step 6: Final answer
x = 139,975.34
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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.