Home / 219,198.15-329,142.83-125,886.15

Finding the Fourth Proportional to 219,198.15, 329,142.83 and 125,886.15

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Solution

The fourth proportional to 219,198.15, 329,142.83 and 125,886.15 is: 189,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,198.15 : 329,142.83 = 125,886.15 : x
  2. Step 2: Convert to fraction form
    219,198.15/329,142.83 = 125,886.15/x
  3. Step 3: Cross multiply
    219,198.15x = 329,142.83 × 125,886.15
  4. Step 4: Simplify right side
    219,198.15x = 41,434,523,039.37
  5. Step 5: Solve for x
    x = 41,434,523,039.37/219,198.15
  6. Step 6: Final answer
    x = 189,027.70

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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.