Finding the Fourth Proportional to 176,862.76, 243,991.74 and 119,483.62
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Solution
The fourth proportional to 176,862.76, 243,991.74 and 119,483.62 is: 164,834.11
Step by Step Solution
- Step 1: Write the proportion equation
176,862.76 : 243,991.74 = 119,483.62 : x - Step 2: Convert to fraction form
176,862.76/243,991.74 = 119,483.62/x - Step 3: Cross multiply
176,862.76x = 243,991.74 × 119,483.62 - Step 4: Simplify right side
176,862.76x = 29,153,016,345.30 - Step 5: Solve for x
x = 29,153,016,345.30/176,862.76 - Step 6: Final answer
x = 164,834.11
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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.