Home / 149,310.56-206,048.59-82,242.56

Finding the Fourth Proportional to 149,310.56, 206,048.59 and 82,242.56

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Solution

The fourth proportional to 149,310.56, 206,048.59 and 82,242.56 is: 113,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,310.56 : 206,048.59 = 82,242.56 : x
  2. Step 2: Convert to fraction form
    149,310.56/206,048.59 = 82,242.56/x
  3. Step 3: Cross multiply
    149,310.56x = 206,048.59 × 82,242.56
  4. Step 4: Simplify right side
    149,310.56x = 16,945,963,835.51
  5. Step 5: Solve for x
    x = 16,945,963,835.51/149,310.56
  6. Step 6: Final answer
    x = 113,494.74

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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.