Home / 136,275.62-188,058.92-75,845.36

Finding the Fourth Proportional to 136,275.62, 188,058.92 and 75,845.36

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Solution

The fourth proportional to 136,275.62, 188,058.92 and 75,845.36 is: 104,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,275.62 : 188,058.92 = 75,845.36 : x
  2. Step 2: Convert to fraction form
    136,275.62/188,058.92 = 75,845.36/x
  3. Step 3: Cross multiply
    136,275.62x = 188,058.92 × 75,845.36
  4. Step 4: Simplify right side
    136,275.62x = 14,263,396,579.53
  5. Step 5: Solve for x
    x = 14,263,396,579.53/136,275.62
  6. Step 6: Final answer
    x = 104,665.80

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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.