Home / 110,717.20-166,513.20-99,344.80

Finding the Fourth Proportional to 110,717.20, 166,513.20 and 99,344.80

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Solution

The fourth proportional to 110,717.20, 166,513.20 and 99,344.80 is: 149,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717.20 : 166,513.20 = 99,344.80 : x
  2. Step 2: Convert to fraction form
    110,717.20/166,513.20 = 99,344.80/x
  3. Step 3: Cross multiply
    110,717.20x = 166,513.20 × 99,344.80
  4. Step 4: Simplify right side
    110,717.20x = 16,542,220,551.36
  5. Step 5: Solve for x
    x = 16,542,220,551.36/110,717.20
  6. Step 6: Final answer
    x = 149,409.67

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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.