Home / 199,136.56-298,760.18-86,826.58

Finding the Fourth Proportional to 199,136.56, 298,760.18 and 86,826.58

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Solution

The fourth proportional to 199,136.56, 298,760.18 and 86,826.58 is: 130,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,136.56 : 298,760.18 = 86,826.58 : x
  2. Step 2: Convert to fraction form
    199,136.56/298,760.18 = 86,826.58/x
  3. Step 3: Cross multiply
    199,136.56x = 298,760.18 × 86,826.58
  4. Step 4: Simplify right side
    199,136.56x = 25,940,324,669.58
  5. Step 5: Solve for x
    x = 25,940,324,669.58/199,136.56
  6. Step 6: Final answer
    x = 130,264.00

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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.