Finding the Fourth Proportional to 250,027.13, 344,969.26 and 142,557.95
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Solution
The fourth proportional to 250,027.13, 344,969.26 and 142,557.95 is: 196,691.09
Step by Step Solution
- Step 1: Write the proportion equation
250,027.13 : 344,969.26 = 142,557.95 : x - Step 2: Convert to fraction form
250,027.13/344,969.26 = 142,557.95/x - Step 3: Cross multiply
250,027.13x = 344,969.26 × 142,557.95 - Step 4: Simplify right side
250,027.13x = 49,178,108,437.38 - Step 5: Solve for x
x = 49,178,108,437.38/250,027.13 - Step 6: Final answer
x = 196,691.09
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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.