Home / 110,163.97-152,026.43-62,420.54

Finding the Fourth Proportional to 110,163.97, 152,026.43 and 62,420.54

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Solution

The fourth proportional to 110,163.97, 152,026.43 and 62,420.54 is: 86,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,163.97 : 152,026.43 = 62,420.54 : x
  2. Step 2: Convert to fraction form
    110,163.97/152,026.43 = 62,420.54/x
  3. Step 3: Cross multiply
    110,163.97x = 152,026.43 × 62,420.54
  4. Step 4: Simplify right side
    110,163.97x = 9,489,571,854.87
  5. Step 5: Solve for x
    x = 9,489,571,854.87/110,163.97
  6. Step 6: Final answer
    x = 86,140.43

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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.