Home / 190,415.88-285,342.30-179,765.19

Finding the Fourth Proportional to 190,415.88, 285,342.30 and 179,765.19

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Solution

The fourth proportional to 190,415.88, 285,342.30 and 179,765.19 is: 269,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,415.88 : 285,342.30 = 179,765.19 : x
  2. Step 2: Convert to fraction form
    190,415.88/285,342.30 = 179,765.19/x
  3. Step 3: Cross multiply
    190,415.88x = 285,342.30 × 179,765.19
  4. Step 4: Simplify right side
    190,415.88x = 51,294,612,774.54
  5. Step 5: Solve for x
    x = 51,294,612,774.54/190,415.88
  6. Step 6: Final answer
    x = 269,382.01

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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.