Finding the Fourth Proportional to 186,368.95, 257,011.09 and 125,253.19
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Solution
The fourth proportional to 186,368.95, 257,011.09 and 125,253.19 is: 172,729.73
Step by Step Solution
- Step 1: Write the proportion equation
186,368.95 : 257,011.09 = 125,253.19 : x - Step 2: Convert to fraction form
186,368.95/257,011.09 = 125,253.19/x - Step 3: Cross multiply
186,368.95x = 257,011.09 × 125,253.19 - Step 4: Simplify right side
186,368.95x = 32,191,458,887.88 - Step 5: Solve for x
x = 32,191,458,887.88/186,368.95 - Step 6: Final answer
x = 172,729.73
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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.