Home / 120,262.29-165,917.21-92,675.09

Finding the Fourth Proportional to 120,262.29, 165,917.21 and 92,675.09

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Solution

The fourth proportional to 120,262.29, 165,917.21 and 92,675.09 is: 127,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.29 : 165,917.21 = 92,675.09 : x
  2. Step 2: Convert to fraction form
    120,262.29/165,917.21 = 92,675.09/x
  3. Step 3: Cross multiply
    120,262.29x = 165,917.21 × 92,675.09
  4. Step 4: Simplify right side
    120,262.29x = 15,376,391,076.34
  5. Step 5: Solve for x
    x = 15,376,391,076.34/120,262.29
  6. Step 6: Final answer
    x = 127,857.13

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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.