Home / 133,731.64-184,568.58-82,760.81

Finding the Fourth Proportional to 133,731.64, 184,568.58 and 82,760.81

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Solution

The fourth proportional to 133,731.64, 184,568.58 and 82,760.81 is: 114,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731.64 : 184,568.58 = 82,760.81 : x
  2. Step 2: Convert to fraction form
    133,731.64/184,568.58 = 82,760.81/x
  3. Step 3: Cross multiply
    133,731.64x = 184,568.58 × 82,760.81
  4. Step 4: Simplify right side
    133,731.64x = 15,275,044,258.51
  5. Step 5: Solve for x
    x = 15,275,044,258.51/133,731.64
  6. Step 6: Final answer
    x = 114,221.62

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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.