Home / 165,175.20-227,933.28-89,723.52

Finding the Fourth Proportional to 165,175.20, 227,933.28 and 89,723.52

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Solution

The fourth proportional to 165,175.20, 227,933.28 and 89,723.52 is: 123,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,175.20 : 227,933.28 = 89,723.52 : x
  2. Step 2: Convert to fraction form
    165,175.20/227,933.28 = 89,723.52/x
  3. Step 3: Cross multiply
    165,175.20x = 227,933.28 × 89,723.52
  4. Step 4: Simplify right side
    165,175.20x = 20,450,976,206.75
  5. Step 5: Solve for x
    x = 20,450,976,206.75/165,175.20
  6. Step 6: Final answer
    x = 123,813.84

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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.