Home / 203,059.26-280,251.09-117,001.76

Finding the Fourth Proportional to 203,059.26, 280,251.09 and 117,001.76

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Solution

The fourth proportional to 203,059.26, 280,251.09 and 117,001.76 is: 161,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,059.26 : 280,251.09 = 117,001.76 : x
  2. Step 2: Convert to fraction form
    203,059.26/280,251.09 = 117,001.76/x
  3. Step 3: Cross multiply
    203,059.26x = 280,251.09 × 117,001.76
  4. Step 4: Simplify right side
    203,059.26x = 32,789,870,771.92
  5. Step 5: Solve for x
    x = 32,789,870,771.92/203,059.26
  6. Step 6: Final answer
    x = 161,479.32

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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.