Home / 119,712.43-165,201.82-68,726.38

Finding the Fourth Proportional to 119,712.43, 165,201.82 and 68,726.38

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Solution

The fourth proportional to 119,712.43, 165,201.82 and 68,726.38 is: 94,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,712.43 : 165,201.82 = 68,726.38 : x
  2. Step 2: Convert to fraction form
    119,712.43/165,201.82 = 68,726.38/x
  3. Step 3: Cross multiply
    119,712.43x = 165,201.82 × 68,726.38
  4. Step 4: Simplify right side
    119,712.43x = 11,353,723,058.01
  5. Step 5: Solve for x
    x = 11,353,723,058.01/119,712.43
  6. Step 6: Final answer
    x = 94,841.64

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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.