Home / 149,163.57-223,567.53-103,940.08

Finding the Fourth Proportional to 149,163.57, 223,567.53 and 103,940.08

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Solution

The fourth proportional to 149,163.57, 223,567.53 and 103,940.08 is: 155,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,163.57 : 223,567.53 = 103,940.08 : x
  2. Step 2: Convert to fraction form
    149,163.57/223,567.53 = 103,940.08/x
  3. Step 3: Cross multiply
    149,163.57x = 223,567.53 × 103,940.08
  4. Step 4: Simplify right side
    149,163.57x = 23,237,626,586.12
  5. Step 5: Solve for x
    x = 23,237,626,586.12/149,163.57
  6. Step 6: Final answer
    x = 155,786.21

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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.