Home / 285,766.26-428,696.77-96,242.66

Finding the Fourth Proportional to 285,766.26, 428,696.77 and 96,242.66

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Solution

The fourth proportional to 285,766.26, 428,696.77 and 96,242.66 is: 144,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,766.26 : 428,696.77 = 96,242.66 : x
  2. Step 2: Convert to fraction form
    285,766.26/428,696.77 = 96,242.66/x
  3. Step 3: Cross multiply
    285,766.26x = 428,696.77 × 96,242.66
  4. Step 4: Simplify right side
    285,766.26x = 41,258,917,478.21
  5. Step 5: Solve for x
    x = 41,258,917,478.21/285,766.26
  6. Step 6: Final answer
    x = 144,379.95

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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.