Finding the Fourth Proportional to 163,125.84, 224,983.80 and 134,782.32
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Solution
The fourth proportional to 163,125.84, 224,983.80 and 134,782.32 is: 185,892.31
Step by Step Solution
- Step 1: Write the proportion equation
163,125.84 : 224,983.80 = 134,782.32 : x - Step 2: Convert to fraction form
163,125.84/224,983.80 = 134,782.32/x - Step 3: Cross multiply
163,125.84x = 224,983.80 × 134,782.32 - Step 4: Simplify right side
163,125.84x = 30,323,838,526.42 - Step 5: Solve for x
x = 30,323,838,526.42/163,125.84 - Step 6: Final answer
x = 185,892.31
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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.