Home / 311,398.18-467,025.58-121,863.04

Finding the Fourth Proportional to 311,398.18, 467,025.58 and 121,863.04

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Solution

The fourth proportional to 311,398.18, 467,025.58 and 121,863.04 is: 182,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,398.18 : 467,025.58 = 121,863.04 : x
  2. Step 2: Convert to fraction form
    311,398.18/467,025.58 = 121,863.04/x
  3. Step 3: Cross multiply
    311,398.18x = 467,025.58 × 121,863.04
  4. Step 4: Simplify right side
    311,398.18x = 56,913,153,992.12
  5. Step 5: Solve for x
    x = 56,913,153,992.12/311,398.18
  6. Step 6: Final answer
    x = 182,766.50

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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.