Home / 257,216.24-354,954.57-142,494.64

Finding the Fourth Proportional to 257,216.24, 354,954.57 and 142,494.64

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Solution

The fourth proportional to 257,216.24, 354,954.57 and 142,494.64 is: 196,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,216.24 : 354,954.57 = 142,494.64 : x
  2. Step 2: Convert to fraction form
    257,216.24/354,954.57 = 142,494.64/x
  3. Step 3: Cross multiply
    257,216.24x = 354,954.57 × 142,494.64
  4. Step 4: Simplify right side
    257,216.24x = 50,579,122,781.12
  5. Step 5: Solve for x
    x = 50,579,122,781.12/257,216.24
  6. Step 6: Final answer
    x = 196,640.48

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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.