Home / 136,603.45-204,855.96-57,723.85

Finding the Fourth Proportional to 136,603.45, 204,855.96 and 57,723.85

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Solution

The fourth proportional to 136,603.45, 204,855.96 and 57,723.85 is: 86,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,603.45 : 204,855.96 = 57,723.85 : x
  2. Step 2: Convert to fraction form
    136,603.45/204,855.96 = 57,723.85/x
  3. Step 3: Cross multiply
    136,603.45x = 204,855.96 × 57,723.85
  4. Step 4: Simplify right side
    136,603.45x = 11,825,073,682.37
  5. Step 5: Solve for x
    x = 11,825,073,682.37/136,603.45
  6. Step 6: Final answer
    x = 86,564.97

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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.