Finding the Fourth Proportional to 133,335.09, 198,826.43 and 132,134.97
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Solution
The fourth proportional to 133,335.09, 198,826.43 and 132,134.97 is: 197,036.84
Step by Step Solution
- Step 1: Write the proportion equation
133,335.09 : 198,826.43 = 132,134.97 : x - Step 2: Convert to fraction form
133,335.09/198,826.43 = 132,134.97/x - Step 3: Cross multiply
133,335.09x = 198,826.43 × 132,134.97 - Step 4: Simplify right side
133,335.09x = 26,271,924,693.59 - Step 5: Solve for x
x = 26,271,924,693.59/133,335.09 - Step 6: Final answer
x = 197,036.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.