Finding the Fourth Proportional to 194,283.99, 268,117.16 and 109,404.09
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Solution
The fourth proportional to 194,283.99, 268,117.16 and 109,404.09 is: 150,980.60
Step by Step Solution
- Step 1: Write the proportion equation
194,283.99 : 268,117.16 = 109,404.09 : x - Step 2: Convert to fraction form
194,283.99/268,117.16 = 109,404.09/x - Step 3: Cross multiply
194,283.99x = 268,117.16 × 109,404.09 - Step 4: Simplify right side
194,283.99x = 29,333,113,356.16 - Step 5: Solve for x
x = 29,333,113,356.16/194,283.99 - Step 6: Final answer
x = 150,980.60
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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.