Home / 99,555.25-149,354.73-73,180.03

Finding the Fourth Proportional to 99,555.25, 149,354.73 and 73,180.03

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Solution

The fourth proportional to 99,555.25, 149,354.73 and 73,180.03 is: 109,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,555.25 : 149,354.73 = 73,180.03 : x
  2. Step 2: Convert to fraction form
    99,555.25/149,354.73 = 73,180.03/x
  3. Step 3: Cross multiply
    99,555.25x = 149,354.73 × 73,180.03
  4. Step 4: Simplify right side
    99,555.25x = 10,929,782,509.37
  5. Step 5: Solve for x
    x = 10,929,782,509.37/99,555.25
  6. Step 6: Final answer
    x = 109,786.10

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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.