Home / 136,010.68-203,808.16-57,081.85

Finding the Fourth Proportional to 136,010.68, 203,808.16 and 57,081.85

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Solution

The fourth proportional to 136,010.68, 203,808.16 and 57,081.85 is: 85,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,010.68 : 203,808.16 = 57,081.85 : x
  2. Step 2: Convert to fraction form
    136,010.68/203,808.16 = 57,081.85/x
  3. Step 3: Cross multiply
    136,010.68x = 203,808.16 × 57,081.85
  4. Step 4: Simplify right side
    136,010.68x = 11,633,746,817.90
  5. Step 5: Solve for x
    x = 11,633,746,817.90/136,010.68
  6. Step 6: Final answer
    x = 85,535.54

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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.