Home / 190,877.10-285,879.46-91,107.33

Finding the Fourth Proportional to 190,877.10, 285,879.46 and 91,107.33

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Solution

The fourth proportional to 190,877.10, 285,879.46 and 91,107.33 is: 136,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,877.10 : 285,879.46 = 91,107.33 : x
  2. Step 2: Convert to fraction form
    190,877.10/285,879.46 = 91,107.33/x
  3. Step 3: Cross multiply
    190,877.10x = 285,879.46 × 91,107.33
  4. Step 4: Simplify right side
    190,877.10x = 26,045,714,302.44
  5. Step 5: Solve for x
    x = 26,045,714,302.44/190,877.10
  6. Step 6: Final answer
    x = 136,452.80

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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.