Home / 285,554.03-428,029.61-95,834.48

Finding the Fourth Proportional to 285,554.03, 428,029.61 and 95,834.48

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Solution

The fourth proportional to 285,554.03, 428,029.61 and 95,834.48 is: 143,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,554.03 : 428,029.61 = 95,834.48 : x
  2. Step 2: Convert to fraction form
    285,554.03/428,029.61 = 95,834.48/x
  3. Step 3: Cross multiply
    285,554.03x = 428,029.61 × 95,834.48
  4. Step 4: Simplify right side
    285,554.03x = 41,019,992,479.63
  5. Step 5: Solve for x
    x = 41,019,992,479.63/285,554.03
  6. Step 6: Final answer
    x = 143,650.55

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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.