Home / 383,245.08-574,840.88-143,313.36

Finding the Fourth Proportional to 383,245.08, 574,840.88 and 143,313.36

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Solution

The fourth proportional to 383,245.08, 574,840.88 and 143,313.36 is: 214,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,245.08 : 574,840.88 = 143,313.36 : x
  2. Step 2: Convert to fraction form
    383,245.08/574,840.88 = 143,313.36/x
  3. Step 3: Cross multiply
    383,245.08x = 574,840.88 × 143,313.36
  4. Step 4: Simplify right side
    383,245.08x = 82,382,377,978.16
  5. Step 5: Solve for x
    x = 82,382,377,978.16/383,245.08
  6. Step 6: Final answer
    x = 214,960.04

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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.