Home / 257,135.01-354,847.33-149,778.82

Finding the Fourth Proportional to 257,135.01, 354,847.33 and 149,778.82

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Solution

The fourth proportional to 257,135.01, 354,847.33 and 149,778.82 is: 206,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,135.01 : 354,847.33 = 149,778.82 : x
  2. Step 2: Convert to fraction form
    257,135.01/354,847.33 = 149,778.82/x
  3. Step 3: Cross multiply
    257,135.01x = 354,847.33 × 149,778.82
  4. Step 4: Simplify right side
    257,135.01x = 53,148,614,367.55
  5. Step 5: Solve for x
    x = 53,148,614,367.55/257,135.01
  6. Step 6: Final answer
    x = 206,695.36

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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.