Finding the Fourth Proportional to 292,052.36, 403,032.84 and 157,916.36
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Solution
The fourth proportional to 292,052.36, 403,032.84 and 157,916.36 is: 217,924.89
Step by Step Solution
- Step 1: Write the proportion equation
292,052.36 : 403,032.84 = 157,916.36 : x - Step 2: Convert to fraction form
292,052.36/403,032.84 = 157,916.36/x - Step 3: Cross multiply
292,052.36x = 403,032.84 × 157,916.36 - Step 4: Simplify right side
292,052.36x = 63,645,479,053.26 - Step 5: Solve for x
x = 63,645,479,053.26/292,052.36 - Step 6: Final answer
x = 217,924.89
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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.