Home / 133,165.74-183,835.01-82,206.56

Finding the Fourth Proportional to 133,165.74, 183,835.01 and 82,206.56

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Solution

The fourth proportional to 133,165.74, 183,835.01 and 82,206.56 is: 113,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,165.74 : 183,835.01 = 82,206.56 : x
  2. Step 2: Convert to fraction form
    133,165.74/183,835.01 = 82,206.56/x
  3. Step 3: Cross multiply
    133,165.74x = 183,835.01 × 82,206.56
  4. Step 4: Simplify right side
    133,165.74x = 15,112,443,828.22
  5. Step 5: Solve for x
    x = 15,112,443,828.22/133,165.74
  6. Step 6: Final answer
    x = 113,485.97

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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.