Home / 117,245.72-175,868.69-82,341.20

Finding the Fourth Proportional to 117,245.72, 175,868.69 and 82,341.20

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Solution

The fourth proportional to 117,245.72, 175,868.69 and 82,341.20 is: 123,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.72 : 175,868.69 = 82,341.20 : x
  2. Step 2: Convert to fraction form
    117,245.72/175,868.69 = 82,341.20/x
  3. Step 3: Cross multiply
    117,245.72x = 175,868.69 × 82,341.20
  4. Step 4: Simplify right side
    117,245.72x = 14,481,239,004.99
  5. Step 5: Solve for x
    x = 14,481,239,004.99/117,245.72
  6. Step 6: Final answer
    x = 123,511.87

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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.