Home / 325,890.21-488,835.72-89,234.94

Finding the Fourth Proportional to 325,890.21, 488,835.72 and 89,234.94

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Solution

The fourth proportional to 325,890.21, 488,835.72 and 89,234.94 is: 133,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,890.21 : 488,835.72 = 89,234.94 : x
  2. Step 2: Convert to fraction form
    325,890.21/488,835.72 = 89,234.94/x
  3. Step 3: Cross multiply
    325,890.21x = 488,835.72 × 89,234.94
  4. Step 4: Simplify right side
    325,890.21x = 43,621,226,144.06
  5. Step 5: Solve for x
    x = 43,621,226,144.06/325,890.21
  6. Step 6: Final answer
    x = 133,852.52

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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.