Home / 121,926.34-182,652.89-89,847.20

Finding the Fourth Proportional to 121,926.34, 182,652.89 and 89,847.20

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Solution

The fourth proportional to 121,926.34, 182,652.89 and 89,847.20 is: 134,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,926.34 : 182,652.89 = 89,847.20 : x
  2. Step 2: Convert to fraction form
    121,926.34/182,652.89 = 89,847.20/x
  3. Step 3: Cross multiply
    121,926.34x = 182,652.89 × 89,847.20
  4. Step 4: Simplify right side
    121,926.34x = 16,410,850,745.80
  5. Step 5: Solve for x
    x = 16,410,850,745.80/121,926.34
  6. Step 6: Final answer
    x = 134,596.43

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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.