Home / 133,429.41-184,068.97-82,423.78

Finding the Fourth Proportional to 133,429.41, 184,068.97 and 82,423.78

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Solution

The fourth proportional to 133,429.41, 184,068.97 and 82,423.78 is: 113,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,429.41 : 184,068.97 = 82,423.78 : x
  2. Step 2: Convert to fraction form
    133,429.41/184,068.97 = 82,423.78/x
  3. Step 3: Cross multiply
    133,429.41x = 184,068.97 × 82,423.78
  4. Step 4: Simplify right side
    133,429.41x = 15,171,659,621.87
  5. Step 5: Solve for x
    x = 15,171,659,621.87/133,429.41
  6. Step 6: Final answer
    x = 113,705.51

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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.