Home / 203,228.58-280,592.31-126,863.94

Finding the Fourth Proportional to 203,228.58, 280,592.31 and 126,863.94

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Solution

The fourth proportional to 203,228.58, 280,592.31 and 126,863.94 is: 175,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,228.58 : 280,592.31 = 126,863.94 : x
  2. Step 2: Convert to fraction form
    203,228.58/280,592.31 = 126,863.94/x
  3. Step 3: Cross multiply
    203,228.58x = 280,592.31 × 126,863.94
  4. Step 4: Simplify right side
    203,228.58x = 35,597,045,980.30
  5. Step 5: Solve for x
    x = 35,597,045,980.30/203,228.58
  6. Step 6: Final answer
    x = 175,157.68

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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.