Home / 190,879.85-286,272.46-64,517.29

Finding the Fourth Proportional to 190,879.85, 286,272.46 and 64,517.29

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Solution

The fourth proportional to 190,879.85, 286,272.46 and 64,517.29 is: 96,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,879.85 : 286,272.46 = 64,517.29 : x
  2. Step 2: Convert to fraction form
    190,879.85/286,272.46 = 64,517.29/x
  3. Step 3: Cross multiply
    190,879.85x = 286,272.46 × 64,517.29
  4. Step 4: Simplify right side
    190,879.85x = 18,469,521,566.88
  5. Step 5: Solve for x
    x = 18,469,521,566.88/190,879.85
  6. Step 6: Final answer
    x = 96,759.93

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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.