Home / 256,447.37-384,327.18-199,589.94

Finding the Fourth Proportional to 256,447.37, 384,327.18 and 199,589.94

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Solution

The fourth proportional to 256,447.37, 384,327.18 and 199,589.94 is: 299,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,447.37 : 384,327.18 = 199,589.94 : x
  2. Step 2: Convert to fraction form
    256,447.37/384,327.18 = 199,589.94/x
  3. Step 3: Cross multiply
    256,447.37x = 384,327.18 × 199,589.94
  4. Step 4: Simplify right side
    256,447.37x = 76,707,838,796.57
  5. Step 5: Solve for x
    x = 76,707,838,796.57/256,447.37
  6. Step 6: Final answer
    x = 299,117.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.