Finding the Fourth Proportional to 176,643.99, 243,688.30 and 104,983.29
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Solution
The fourth proportional to 176,643.99, 243,688.30 and 104,983.29 is: 144,829.15
Step by Step Solution
- Step 1: Write the proportion equation
176,643.99 : 243,688.30 = 104,983.29 : x - Step 2: Convert to fraction form
176,643.99/243,688.30 = 104,983.29/x - Step 3: Cross multiply
176,643.99x = 243,688.30 × 104,983.29 - Step 4: Simplify right side
176,643.99x = 25,583,199,206.05 - Step 5: Solve for x
x = 25,583,199,206.05/176,643.99 - Step 6: Final answer
x = 144,829.15
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1.5x scale
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.