Home / 158,766.26-219,095.57-86,169.28

Finding the Fourth Proportional to 158,766.26, 219,095.57 and 86,169.28

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Solution

The fourth proportional to 158,766.26, 219,095.57 and 86,169.28 is: 118,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,766.26 : 219,095.57 = 86,169.28 : x
  2. Step 2: Convert to fraction form
    158,766.26/219,095.57 = 86,169.28/x
  3. Step 3: Cross multiply
    158,766.26x = 219,095.57 × 86,169.28
  4. Step 4: Simplify right side
    158,766.26x = 18,879,307,518.09
  5. Step 5: Solve for x
    x = 18,879,307,518.09/158,766.26
  6. Step 6: Final answer
    x = 118,912.59

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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.