Home / 131,855.20-197,808.26-43,084.76

Finding the Fourth Proportional to 131,855.20, 197,808.26 and 43,084.76

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Solution

The fourth proportional to 131,855.20, 197,808.26 and 43,084.76 is: 64,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,855.20 : 197,808.26 = 43,084.76 : x
  2. Step 2: Convert to fraction form
    131,855.20/197,808.26 = 43,084.76/x
  3. Step 3: Cross multiply
    131,855.20x = 197,808.26 × 43,084.76
  4. Step 4: Simplify right side
    131,855.20x = 8,522,521,408.12
  5. Step 5: Solve for x
    x = 8,522,521,408.12/131,855.20
  6. Step 6: Final answer
    x = 64,635.46

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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.