Home / 446,939.40-670,230.90-147,336.60

Finding the Fourth Proportional to 446,939.40, 670,230.90 and 147,336.60

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Solution

The fourth proportional to 446,939.40, 670,230.90 and 147,336.60 is: 220,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,939.40 : 670,230.90 = 147,336.60 : x
  2. Step 2: Convert to fraction form
    446,939.40/670,230.90 = 147,336.60/x
  3. Step 3: Cross multiply
    446,939.40x = 670,230.90 × 147,336.60
  4. Step 4: Simplify right side
    446,939.40x = 98,749,542,020.94
  5. Step 5: Solve for x
    x = 98,749,542,020.94/446,939.40
  6. Step 6: Final answer
    x = 220,946.16

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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.