Home / 321,498.06-482,247.09-111,021.18

Finding the Fourth Proportional to 321,498.06, 482,247.09 and 111,021.18

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Solution

The fourth proportional to 321,498.06, 482,247.09 and 111,021.18 is: 166,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,498.06 : 482,247.09 = 111,021.18 : x
  2. Step 2: Convert to fraction form
    321,498.06/482,247.09 = 111,021.18/x
  3. Step 3: Cross multiply
    321,498.06x = 482,247.09 × 111,021.18
  4. Step 4: Simplify right side
    321,498.06x = 53,539,640,983.37
  5. Step 5: Solve for x
    x = 53,539,640,983.37/321,498.06
  6. Step 6: Final answer
    x = 166,531.77

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1.5x scale

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.