Home / 410,739.46-616,167.50-126,453.64

Finding the Fourth Proportional to 410,739.46, 616,167.50 and 126,453.64

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Solution

The fourth proportional to 410,739.46, 616,167.50 and 126,453.64 is: 189,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,739.46 : 616,167.50 = 126,453.64 : x
  2. Step 2: Convert to fraction form
    410,739.46/616,167.50 = 126,453.64/x
  3. Step 3: Cross multiply
    410,739.46x = 616,167.50 × 126,453.64
  4. Step 4: Simplify right side
    410,739.46x = 77,916,621,052.01
  5. Step 5: Solve for x
    x = 77,916,621,052.01/410,739.46
  6. Step 6: Final answer
    x = 189,698.41

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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.