Home / 136,183.73-187,885.08-85,260.06

Finding the Fourth Proportional to 136,183.73, 187,885.08 and 85,260.06

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Solution

The fourth proportional to 136,183.73, 187,885.08 and 85,260.06 is: 117,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,183.73 : 187,885.08 = 85,260.06 : x
  2. Step 2: Convert to fraction form
    136,183.73/187,885.08 = 85,260.06/x
  3. Step 3: Cross multiply
    136,183.73x = 187,885.08 × 85,260.06
  4. Step 4: Simplify right side
    136,183.73x = 16,019,093,193.90
  5. Step 5: Solve for x
    x = 16,019,093,193.90/136,183.73
  6. Step 6: Final answer
    x = 117,628.54

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1.5x scale

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.