Home / 256,592.12-354,086.64-141,863.45

Finding the Fourth Proportional to 256,592.12, 354,086.64 and 141,863.45

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Solution

The fourth proportional to 256,592.12, 354,086.64 and 141,863.45 is: 195,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,592.12 : 354,086.64 = 141,863.45 : x
  2. Step 2: Convert to fraction form
    256,592.12/354,086.64 = 141,863.45/x
  3. Step 3: Cross multiply
    256,592.12x = 354,086.64 × 141,863.45
  4. Step 4: Simplify right side
    256,592.12x = 50,231,950,578.87
  5. Step 5: Solve for x
    x = 50,231,950,578.87/256,592.12
  6. Step 6: Final answer
    x = 195,765.76

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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.