Home / 311,461.13-467,269.72-89,845.13

Finding the Fourth Proportional to 311,461.13, 467,269.72 and 89,845.13

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Solution

The fourth proportional to 311,461.13, 467,269.72 and 89,845.13 is: 134,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,461.13 : 467,269.72 = 89,845.13 : x
  2. Step 2: Convert to fraction form
    311,461.13/467,269.72 = 89,845.13/x
  3. Step 3: Cross multiply
    311,461.13x = 467,269.72 × 89,845.13
  4. Step 4: Simplify right side
    311,461.13x = 41,981,906,402.12
  5. Step 5: Solve for x
    x = 41,981,906,402.12/311,461.13
  6. Step 6: Final answer
    x = 134,790.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.