Home / 127,272.93-175,626.39-73,561.43

Finding the Fourth Proportional to 127,272.93, 175,626.39 and 73,561.43

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Solution

The fourth proportional to 127,272.93, 175,626.39 and 73,561.43 is: 101,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,272.93 : 175,626.39 = 73,561.43 : x
  2. Step 2: Convert to fraction form
    127,272.93/175,626.39 = 73,561.43/x
  3. Step 3: Cross multiply
    127,272.93x = 175,626.39 × 73,561.43
  4. Step 4: Simplify right side
    127,272.93x = 12,919,328,394.14
  5. Step 5: Solve for x
    x = 12,919,328,394.14/127,272.93
  6. Step 6: Final answer
    x = 101,508.85

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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.