Home / 285,631.68-428,150.34-95,951.28

Finding the Fourth Proportional to 285,631.68, 428,150.34 and 95,951.28

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Solution

The fourth proportional to 285,631.68, 428,150.34 and 95,951.28 is: 143,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,631.68 : 428,150.34 = 95,951.28 : x
  2. Step 2: Convert to fraction form
    285,631.68/428,150.34 = 95,951.28/x
  3. Step 3: Cross multiply
    285,631.68x = 428,150.34 × 95,951.28
  4. Step 4: Simplify right side
    285,631.68x = 41,081,573,155.44
  5. Step 5: Solve for x
    x = 41,081,573,155.44/285,631.68
  6. Step 6: Final answer
    x = 143,827.09

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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.