Finding the Fourth Proportional to 207,931.24, 286,946.82 and 114,799.96
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Solution
The fourth proportional to 207,931.24, 286,946.82 and 114,799.96 is: 158,424.89
Step by Step Solution
- Step 1: Write the proportion equation
207,931.24 : 286,946.82 = 114,799.96 : x - Step 2: Convert to fraction form
207,931.24/286,946.82 = 114,799.96/x - Step 3: Cross multiply
207,931.24x = 286,946.82 × 114,799.96 - Step 4: Simplify right side
207,931.24x = 32,941,483,458.13 - Step 5: Solve for x
x = 32,941,483,458.13/207,931.24 - Step 6: Final answer
x = 158,424.89
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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.