Home / 446,163.56-669,196.36-130,623.56

Finding the Fourth Proportional to 446,163.56, 669,196.36 and 130,623.56

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Solution

The fourth proportional to 446,163.56, 669,196.36 and 130,623.56 is: 195,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,163.56 : 669,196.36 = 130,623.56 : x
  2. Step 2: Convert to fraction form
    446,163.56/669,196.36 = 130,623.56/x
  3. Step 3: Cross multiply
    446,163.56x = 669,196.36 × 130,623.56
  4. Step 4: Simplify right side
    446,163.56x = 87,412,810,882.24
  5. Step 5: Solve for x
    x = 87,412,810,882.24/446,163.56
  6. Step 6: Final answer
    x = 195,921.00

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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.