Home / 96,189.21-132,778.13-86,099.85

Finding the Fourth Proportional to 96,189.21, 132,778.13 and 86,099.85

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Solution

The fourth proportional to 96,189.21, 132,778.13 and 86,099.85 is: 118,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,189.21 : 132,778.13 = 86,099.85 : x
  2. Step 2: Convert to fraction form
    96,189.21/132,778.13 = 86,099.85/x
  3. Step 3: Cross multiply
    96,189.21x = 132,778.13 × 86,099.85
  4. Step 4: Simplify right side
    96,189.21x = 11,432,176,645.78
  5. Step 5: Solve for x
    x = 11,432,176,645.78/96,189.21
  6. Step 6: Final answer
    x = 118,850.93

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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.