Home / 119,738.39-165,250.06-68,757.80

Finding the Fourth Proportional to 119,738.39, 165,250.06 and 68,757.80

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Solution

The fourth proportional to 119,738.39, 165,250.06 and 68,757.80 is: 94,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,738.39 : 165,250.06 = 68,757.80 : x
  2. Step 2: Convert to fraction form
    119,738.39/165,250.06 = 68,757.80/x
  3. Step 3: Cross multiply
    119,738.39x = 165,250.06 × 68,757.80
  4. Step 4: Simplify right side
    119,738.39x = 11,362,229,577.32
  5. Step 5: Solve for x
    x = 11,362,229,577.32/119,738.39
  6. Step 6: Final answer
    x = 94,892.12

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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.