Home / 136,427.33-188,275.38-75,997.96

Finding the Fourth Proportional to 136,427.33, 188,275.38 and 75,997.96

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Solution

The fourth proportional to 136,427.33, 188,275.38 and 75,997.96 is: 104,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,427.33 : 188,275.38 = 75,997.96 : x
  2. Step 2: Convert to fraction form
    136,427.33/188,275.38 = 75,997.96/x
  3. Step 3: Cross multiply
    136,427.33x = 188,275.38 × 75,997.96
  4. Step 4: Simplify right side
    136,427.33x = 14,308,544,327.54
  5. Step 5: Solve for x
    x = 14,308,544,327.54/136,427.33
  6. Step 6: Final answer
    x = 104,880.34

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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.