Home / 351,491.30-485,057.24-190,345.85

Finding the Fourth Proportional to 351,491.30, 485,057.24 and 190,345.85

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Solution

The fourth proportional to 351,491.30, 485,057.24 and 190,345.85 is: 262,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,491.30 : 485,057.24 = 190,345.85 : x
  2. Step 2: Convert to fraction form
    351,491.30/485,057.24 = 190,345.85/x
  3. Step 3: Cross multiply
    351,491.30x = 485,057.24 × 190,345.85
  4. Step 4: Simplify right side
    351,491.30x = 92,328,630,697.03
  5. Step 5: Solve for x
    x = 92,328,630,697.03/351,491.30
  6. Step 6: Final answer
    x = 262,676.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.