Home / 99,517.60-149,276.40-92,956.60

Finding the Fourth Proportional to 99,517.60, 149,276.40 and 92,956.60

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Solution

The fourth proportional to 99,517.60, 149,276.40 and 92,956.60 is: 139,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,517.60 : 149,276.40 = 92,956.60 : x
  2. Step 2: Convert to fraction form
    99,517.60/149,276.40 = 92,956.60/x
  3. Step 3: Cross multiply
    99,517.60x = 149,276.40 × 92,956.60
  4. Step 4: Simplify right side
    99,517.60x = 13,876,226,604.24
  5. Step 5: Solve for x
    x = 13,876,226,604.24/99,517.60
  6. Step 6: Final answer
    x = 139,434.90

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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.