Home / 349,943.90-482,921.60-199,040.90

Finding the Fourth Proportional to 349,943.90, 482,921.60 and 199,040.90

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Solution

The fourth proportional to 349,943.90, 482,921.60 and 199,040.90 is: 274,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,943.90 : 482,921.60 = 199,040.90 : x
  2. Step 2: Convert to fraction form
    349,943.90/482,921.60 = 199,040.90/x
  3. Step 3: Cross multiply
    349,943.90x = 482,921.60 × 199,040.90
  4. Step 4: Simplify right side
    349,943.90x = 96,121,149,893.44
  5. Step 5: Solve for x
    x = 96,121,149,893.44/349,943.90
  6. Step 6: Final answer
    x = 274,675.88

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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.