Home / 328,840.90-453,633.18-199,745.03

Finding the Fourth Proportional to 328,840.90, 453,633.18 and 199,745.03

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Solution

The fourth proportional to 328,840.90, 453,633.18 and 199,745.03 is: 275,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,840.90 : 453,633.18 = 199,745.03 : x
  2. Step 2: Convert to fraction form
    328,840.90/453,633.18 = 199,745.03/x
  3. Step 3: Cross multiply
    328,840.90x = 453,633.18 × 199,745.03
  4. Step 4: Simplify right side
    328,840.90x = 90,610,973,148.10
  5. Step 5: Solve for x
    x = 90,610,973,148.10/328,840.90
  6. Step 6: Final answer
    x = 275,546.54

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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.