Home / 96,191.21-132,780.89-86,101.85

Finding the Fourth Proportional to 96,191.21, 132,780.89 and 86,101.85

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Solution

The fourth proportional to 96,191.21, 132,780.89 and 86,101.85 is: 118,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,191.21 : 132,780.89 = 86,101.85 : x
  2. Step 2: Convert to fraction form
    96,191.21/132,780.89 = 86,101.85/x
  3. Step 3: Cross multiply
    96,191.21x = 132,780.89 × 86,101.85
  4. Step 4: Simplify right side
    96,191.21x = 11,432,679,843.14
  5. Step 5: Solve for x
    x = 11,432,679,843.14/96,191.21
  6. Step 6: Final answer
    x = 118,853.69

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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.