Home / 127,163.09-175,500.60-73,448.05

Finding the Fourth Proportional to 127,163.09, 175,500.60 and 73,448.05

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Solution

The fourth proportional to 127,163.09, 175,500.60 and 73,448.05 is: 101,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,163.09 : 175,500.60 = 73,448.05 : x
  2. Step 2: Convert to fraction form
    127,163.09/175,500.60 = 73,448.05/x
  3. Step 3: Cross multiply
    127,163.09x = 175,500.60 × 73,448.05
  4. Step 4: Simplify right side
    127,163.09x = 12,890,175,966.33
  5. Step 5: Solve for x
    x = 12,890,175,966.33/127,163.09
  6. Step 6: Final answer
    x = 101,367.28

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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.