Home / 257,023.66-354,692.60-143,846.41

Finding the Fourth Proportional to 257,023.66, 354,692.60 and 143,846.41

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Solution

The fourth proportional to 257,023.66, 354,692.60 and 143,846.41 is: 198,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,023.66 : 354,692.60 = 143,846.41 : x
  2. Step 2: Convert to fraction form
    257,023.66/354,692.60 = 143,846.41/x
  3. Step 3: Cross multiply
    257,023.66x = 354,692.60 × 143,846.41
  4. Step 4: Simplify right side
    257,023.66x = 51,021,257,163.57
  5. Step 5: Solve for x
    x = 51,021,257,163.57/257,023.66
  6. Step 6: Final answer
    x = 198,508.02

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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.