Home / 183,629.36-275,213.88-78,325.04

Finding the Fourth Proportional to 183,629.36, 275,213.88 and 78,325.04

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Solution

The fourth proportional to 183,629.36, 275,213.88 and 78,325.04 is: 117,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,629.36 : 275,213.88 = 78,325.04 : x
  2. Step 2: Convert to fraction form
    183,629.36/275,213.88 = 78,325.04/x
  3. Step 3: Cross multiply
    183,629.36x = 275,213.88 × 78,325.04
  4. Step 4: Simplify right side
    183,629.36x = 21,556,138,159.56
  5. Step 5: Solve for x
    x = 21,556,138,159.56/183,629.36
  6. Step 6: Final answer
    x = 117,389.39

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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.