Home / 351,037.36-526,233-190,879.30

Finding the Fourth Proportional to 351,037.36, 526,233 and 190,879.30

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Solution

The fourth proportional to 351,037.36, 526,233 and 190,879.30 is: 286,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,037.36 : 526,233 = 190,879.30 : x
  2. Step 2: Convert to fraction form
    351,037.36/526,233 = 190,879.30/x
  3. Step 3: Cross multiply
    351,037.36x = 526,233 × 190,879.30
  4. Step 4: Simplify right side
    351,037.36x = 100,446,986,676.90
  5. Step 5: Solve for x
    x = 100,446,986,676.90/351,037.36
  6. Step 6: Final answer
    x = 286,143.29

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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.