Home / 117,208.72-175,882.20-43,388.56

Finding the Fourth Proportional to 117,208.72, 175,882.20 and 43,388.56

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Solution

The fourth proportional to 117,208.72, 175,882.20 and 43,388.56 is: 65,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,208.72 : 175,882.20 = 43,388.56 : x
  2. Step 2: Convert to fraction form
    117,208.72/175,882.20 = 43,388.56/x
  3. Step 3: Cross multiply
    117,208.72x = 175,882.20 × 43,388.56
  4. Step 4: Simplify right side
    117,208.72x = 7,631,275,387.63
  5. Step 5: Solve for x
    x = 7,631,275,387.63/117,208.72
  6. Step 6: Final answer
    x = 65,108.43

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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.