Finding the Fourth Proportional to 168,196.84, 232,146.74 and 162,864.20
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Solution
The fourth proportional to 168,196.84, 232,146.74 and 162,864.20 is: 224,786.59
Step by Step Solution
- Step 1: Write the proportion equation
168,196.84 : 232,146.74 = 162,864.20 : x - Step 2: Convert to fraction form
168,196.84/232,146.74 = 162,864.20/x - Step 3: Cross multiply
168,196.84x = 232,146.74 × 162,864.20 - Step 4: Simplify right side
168,196.84x = 37,808,394,080.24 - Step 5: Solve for x
x = 37,808,394,080.24/168,196.84 - Step 6: Final answer
x = 224,786.59
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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.