Home / 108,144.33-149,239.49-60,399.48

Finding the Fourth Proportional to 108,144.33, 149,239.49 and 60,399.48

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Solution

The fourth proportional to 108,144.33, 149,239.49 and 60,399.48 is: 83,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,144.33 : 149,239.49 = 60,399.48 : x
  2. Step 2: Convert to fraction form
    108,144.33/149,239.49 = 60,399.48/x
  3. Step 3: Cross multiply
    108,144.33x = 149,239.49 × 60,399.48
  4. Step 4: Simplify right side
    108,144.33x = 9,013,987,289.47
  5. Step 5: Solve for x
    x = 9,013,987,289.47/108,144.33
  6. Step 6: Final answer
    x = 83,351.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.