Home / 132,180.24-198,301.56-43,434

Finding the Fourth Proportional to 132,180.24, 198,301.56 and 43,434

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Solution

The fourth proportional to 132,180.24, 198,301.56 and 43,434 is: 65,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,180.24 : 198,301.56 = 43,434 : x
  2. Step 2: Convert to fraction form
    132,180.24/198,301.56 = 43,434/x
  3. Step 3: Cross multiply
    132,180.24x = 198,301.56 × 43,434
  4. Step 4: Simplify right side
    132,180.24x = 8,613,029,957.04
  5. Step 5: Solve for x
    x = 8,613,029,957.04/132,180.24
  6. Step 6: Final answer
    x = 65,161.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.