Home / 447,213.48-670,824.90-131,676.36

Finding the Fourth Proportional to 447,213.48, 670,824.90 and 131,676.36

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Solution

The fourth proportional to 447,213.48, 670,824.90 and 131,676.36 is: 197,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,213.48 : 670,824.90 = 131,676.36 : x
  2. Step 2: Convert to fraction form
    447,213.48/670,824.90 = 131,676.36/x
  3. Step 3: Cross multiply
    447,213.48x = 670,824.90 × 131,676.36
  4. Step 4: Simplify right side
    447,213.48x = 88,331,781,029.36
  5. Step 5: Solve for x
    x = 88,331,781,029.36/447,213.48
  6. Step 6: Final answer
    x = 197,515.92

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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.