Finding the Fourth Proportional to 186,326.91, 257,118.17 and 105,756.08
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Solution
The fourth proportional to 186,326.91, 257,118.17 and 105,756.08 is: 145,936.02
Step by Step Solution
- Step 1: Write the proportion equation
186,326.91 : 257,118.17 = 105,756.08 : x - Step 2: Convert to fraction form
186,326.91/257,118.17 = 105,756.08/x - Step 3: Cross multiply
186,326.91x = 257,118.17 × 105,756.08 - Step 4: Simplify right side
186,326.91x = 27,191,807,941.60 - Step 5: Solve for x
x = 27,191,807,941.60/186,326.91 - Step 6: Final answer
x = 145,936.02
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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.