Home / 324,961.11-487,521.45-111,732.26

Finding the Fourth Proportional to 324,961.11, 487,521.45 and 111,732.26

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Solution

The fourth proportional to 324,961.11, 487,521.45 and 111,732.26 is: 167,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,961.11 : 487,521.45 = 111,732.26 : x
  2. Step 2: Convert to fraction form
    324,961.11/487,521.45 = 111,732.26/x
  3. Step 3: Cross multiply
    324,961.11x = 487,521.45 × 111,732.26
  4. Step 4: Simplify right side
    324,961.11x = 54,471,870,969.37
  5. Step 5: Solve for x
    x = 54,471,870,969.37/324,961.11
  6. Step 6: Final answer
    x = 167,625.82

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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.