Home / 120,788.58-181,197.26-58,414.26

Finding the Fourth Proportional to 120,788.58, 181,197.26 and 58,414.26

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Solution

The fourth proportional to 120,788.58, 181,197.26 and 58,414.26 is: 87,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,788.58 : 181,197.26 = 58,414.26 : x
  2. Step 2: Convert to fraction form
    120,788.58/181,197.26 = 58,414.26/x
  3. Step 3: Cross multiply
    120,788.58x = 181,197.26 × 58,414.26
  4. Step 4: Simplify right side
    120,788.58x = 10,584,503,856.93
  5. Step 5: Solve for x
    x = 10,584,503,856.93/120,788.58
  6. Step 6: Final answer
    x = 87,628.35

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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.