Home / 263,000.20-393,980.64-173,984.44

Finding the Fourth Proportional to 263,000.20, 393,980.64 and 173,984.44

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Solution

The fourth proportional to 263,000.20, 393,980.64 and 173,984.44 is: 260,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,000.20 : 393,980.64 = 173,984.44 : x
  2. Step 2: Convert to fraction form
    263,000.20/393,980.64 = 173,984.44/x
  3. Step 3: Cross multiply
    263,000.20x = 393,980.64 × 173,984.44
  4. Step 4: Simplify right side
    263,000.20x = 68,546,501,021.24
  5. Step 5: Solve for x
    x = 68,546,501,021.24/263,000.20
  6. Step 6: Final answer
    x = 260,632.89

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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.