Home / 376,154.33-518,992.54-223,065.25

Finding the Fourth Proportional to 376,154.33, 518,992.54 and 223,065.25

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Solution

The fourth proportional to 376,154.33, 518,992.54 and 223,065.25 is: 307,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,154.33 : 518,992.54 = 223,065.25 : x
  2. Step 2: Convert to fraction form
    376,154.33/518,992.54 = 223,065.25/x
  3. Step 3: Cross multiply
    376,154.33x = 518,992.54 × 223,065.25
  4. Step 4: Simplify right side
    376,154.33x = 115,769,198,828.09
  5. Step 5: Solve for x
    x = 115,769,198,828.09/376,154.33
  6. Step 6: Final answer
    x = 307,770.48

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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.