Home / 348,540.30-522,883.35-111,906.90

Finding the Fourth Proportional to 348,540.30, 522,883.35 and 111,906.90

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Solution

The fourth proportional to 348,540.30, 522,883.35 and 111,906.90 is: 167,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,540.30 : 522,883.35 = 111,906.90 : x
  2. Step 2: Convert to fraction form
    348,540.30/522,883.35 = 111,906.90/x
  3. Step 3: Cross multiply
    348,540.30x = 522,883.35 × 111,906.90
  4. Step 4: Simplify right side
    348,540.30x = 58,514,254,760.12
  5. Step 5: Solve for x
    x = 58,514,254,760.12/348,540.30
  6. Step 6: Final answer
    x = 167,883.76

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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.