Home / 190,285.39-285,221.76-95,286.55

Finding the Fourth Proportional to 190,285.39, 285,221.76 and 95,286.55

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Solution

The fourth proportional to 190,285.39, 285,221.76 and 95,286.55 is: 142,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,285.39 : 285,221.76 = 95,286.55 : x
  2. Step 2: Convert to fraction form
    190,285.39/285,221.76 = 95,286.55/x
  3. Step 3: Cross multiply
    190,285.39x = 285,221.76 × 95,286.55
  4. Step 4: Simplify right side
    190,285.39x = 27,177,797,495.33
  5. Step 5: Solve for x
    x = 27,177,797,495.33/190,285.39
  6. Step 6: Final answer
    x = 142,826.51

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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.