Home / 433,961.28-651,012.12-134,371.44

Finding the Fourth Proportional to 433,961.28, 651,012.12 and 134,371.44

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Solution

The fourth proportional to 433,961.28, 651,012.12 and 134,371.44 is: 201,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,961.28 : 651,012.12 = 134,371.44 : x
  2. Step 2: Convert to fraction form
    433,961.28/651,012.12 = 134,371.44/x
  3. Step 3: Cross multiply
    433,961.28x = 651,012.12 × 134,371.44
  4. Step 4: Simplify right side
    433,961.28x = 87,477,436,021.85
  5. Step 5: Solve for x
    x = 87,477,436,021.85/433,961.28
  6. Step 6: Final answer
    x = 201,578.90

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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.