Home / 98,738.40-148,453.20-96,664.80

Finding the Fourth Proportional to 98,738.40, 148,453.20 and 96,664.80

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Solution

The fourth proportional to 98,738.40, 148,453.20 and 96,664.80 is: 145,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,738.40 : 148,453.20 = 96,664.80 : x
  2. Step 2: Convert to fraction form
    98,738.40/148,453.20 = 96,664.80/x
  3. Step 3: Cross multiply
    98,738.40x = 148,453.20 × 96,664.80
  4. Step 4: Simplify right side
    98,738.40x = 14,350,198,887.36
  5. Step 5: Solve for x
    x = 14,350,198,887.36/98,738.40
  6. Step 6: Final answer
    x = 145,335.54

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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.