Home / 136,676.11-205,028.75-57,798.31

Finding the Fourth Proportional to 136,676.11, 205,028.75 and 57,798.31

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Solution

The fourth proportional to 136,676.11, 205,028.75 and 57,798.31 is: 86,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676.11 : 205,028.75 = 57,798.31 : x
  2. Step 2: Convert to fraction form
    136,676.11/205,028.75 = 57,798.31/x
  3. Step 3: Cross multiply
    136,676.11x = 205,028.75 × 57,798.31
  4. Step 4: Simplify right side
    136,676.11x = 11,850,314,449.85
  5. Step 5: Solve for x
    x = 11,850,314,449.85/136,676.11
  6. Step 6: Final answer
    x = 86,703.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.