Home / 149,943.78-206,840.52-96,168.96

Finding the Fourth Proportional to 149,943.78, 206,840.52 and 96,168.96

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Solution

The fourth proportional to 149,943.78, 206,840.52 and 96,168.96 is: 132,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,943.78 : 206,840.52 = 96,168.96 : x
  2. Step 2: Convert to fraction form
    149,943.78/206,840.52 = 96,168.96/x
  3. Step 3: Cross multiply
    149,943.78x = 206,840.52 × 96,168.96
  4. Step 4: Simplify right side
    149,943.78x = 19,891,637,694.26
  5. Step 5: Solve for x
    x = 19,891,637,694.26/149,943.78
  6. Step 6: Final answer
    x = 132,660.64

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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.