Finding the Fourth Proportional to 186,878.41, 257,888.54 and 101,996.08
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Solution
The fourth proportional to 186,878.41, 257,888.54 and 101,996.08 is: 140,752.59
Step by Step Solution
- Step 1: Write the proportion equation
186,878.41 : 257,888.54 = 101,996.08 : x - Step 2: Convert to fraction form
186,878.41/257,888.54 = 101,996.08/x - Step 3: Cross multiply
186,878.41x = 257,888.54 × 101,996.08 - Step 4: Simplify right side
186,878.41x = 26,303,619,767.19 - Step 5: Solve for x
x = 26,303,619,767.19/186,878.41 - Step 6: Final answer
x = 140,752.59
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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.