Home / 256,450.19-384,331.39-199,592.75

Finding the Fourth Proportional to 256,450.19, 384,331.39 and 199,592.75

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Solution

The fourth proportional to 256,450.19, 384,331.39 and 199,592.75 is: 299,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,450.19 : 384,331.39 = 199,592.75 : x
  2. Step 2: Convert to fraction form
    256,450.19/384,331.39 = 199,592.75/x
  3. Step 3: Cross multiply
    256,450.19x = 384,331.39 × 199,592.75
  4. Step 4: Simplify right side
    256,450.19x = 76,709,759,503.27
  5. Step 5: Solve for x
    x = 76,709,759,503.27/256,450.19
  6. Step 6: Final answer
    x = 299,121.48

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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.