Home / 325,941.20-488,912.22-89,285.96

Finding the Fourth Proportional to 325,941.20, 488,912.22 and 89,285.96

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Solution

The fourth proportional to 325,941.20, 488,912.22 and 89,285.96 is: 133,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,941.20 : 488,912.22 = 89,285.96 : x
  2. Step 2: Convert to fraction form
    325,941.20/488,912.22 = 89,285.96/x
  3. Step 3: Cross multiply
    325,941.20x = 488,912.22 × 89,285.96
  4. Step 4: Simplify right side
    325,941.20x = 43,652,996,918.43
  5. Step 5: Solve for x
    x = 43,652,996,918.43/325,941.20
  6. Step 6: Final answer
    x = 133,929.06

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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.