Finding the Fourth Proportional to 186,328.76, 257,132.88 and 101,444.00
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Solution
The fourth proportional to 186,328.76, 257,132.88 and 101,444.00 is: 139,992.28
Step by Step Solution
- Step 1: Write the proportion equation
186,328.76 : 257,132.88 = 101,444.00 : x - Step 2: Convert to fraction form
186,328.76/257,132.88 = 101,444.00/x - Step 3: Cross multiply
186,328.76x = 257,132.88 × 101,444.00 - Step 4: Simplify right side
186,328.76x = 26,084,586,593.06 - Step 5: Solve for x
x = 26,084,586,593.06/186,328.76 - Step 6: Final answer
x = 139,992.28
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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.