Home / 190,659.15-285,996.15-57,539.43

Finding the Fourth Proportional to 190,659.15, 285,996.15 and 57,539.43

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Solution

The fourth proportional to 190,659.15, 285,996.15 and 57,539.43 is: 86,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,659.15 : 285,996.15 = 57,539.43 : x
  2. Step 2: Convert to fraction form
    190,659.15/285,996.15 = 57,539.43/x
  3. Step 3: Cross multiply
    190,659.15x = 285,996.15 × 57,539.43
  4. Step 4: Simplify right side
    190,659.15x = 16,456,055,453.19
  5. Step 5: Solve for x
    x = 16,456,055,453.19/190,659.15
  6. Step 6: Final answer
    x = 86,311.39

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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.