Home / 256,768.03-354,333.25-142,043.71

Finding the Fourth Proportional to 256,768.03, 354,333.25 and 142,043.71

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Solution

The fourth proportional to 256,768.03, 354,333.25 and 142,043.71 is: 196,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,768.03 : 354,333.25 = 142,043.71 : x
  2. Step 2: Convert to fraction form
    256,768.03/354,333.25 = 142,043.71/x
  3. Step 3: Cross multiply
    256,768.03x = 354,333.25 × 142,043.71
  4. Step 4: Simplify right side
    256,768.03x = 50,330,809,406.36
  5. Step 5: Solve for x
    x = 50,330,809,406.36/256,768.03
  6. Step 6: Final answer
    x = 196,016.65

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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.