Home / 307,624.20-461,436.30-188,910.60

Finding the Fourth Proportional to 307,624.20, 461,436.30 and 188,910.60

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Solution

The fourth proportional to 307,624.20, 461,436.30 and 188,910.60 is: 283,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,624.20 : 461,436.30 = 188,910.60 : x
  2. Step 2: Convert to fraction form
    307,624.20/461,436.30 = 188,910.60/x
  3. Step 3: Cross multiply
    307,624.20x = 461,436.30 × 188,910.60
  4. Step 4: Simplify right side
    307,624.20x = 87,170,208,294.78
  5. Step 5: Solve for x
    x = 87,170,208,294.78/307,624.20
  6. Step 6: Final answer
    x = 283,365.90

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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.