Home / 220,819.40-331,247.10-94,460.60

Finding the Fourth Proportional to 220,819.40, 331,247.10 and 94,460.60

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Solution

The fourth proportional to 220,819.40, 331,247.10 and 94,460.60 is: 141,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,819.40 : 331,247.10 = 94,460.60 : x
  2. Step 2: Convert to fraction form
    220,819.40/331,247.10 = 94,460.60/x
  3. Step 3: Cross multiply
    220,819.40x = 331,247.10 × 94,460.60
  4. Step 4: Simplify right side
    220,819.40x = 31,289,799,814.26
  5. Step 5: Solve for x
    x = 31,289,799,814.26/220,819.40
  6. Step 6: Final answer
    x = 141,698.60

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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.