Home / 132,102.26-198,111.78-43,335.14

Finding the Fourth Proportional to 132,102.26, 198,111.78 and 43,335.14

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Solution

The fourth proportional to 132,102.26, 198,111.78 and 43,335.14 is: 64,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102.26 : 198,111.78 = 43,335.14 : x
  2. Step 2: Convert to fraction form
    132,102.26/198,111.78 = 43,335.14/x
  3. Step 3: Cross multiply
    132,102.26x = 198,111.78 × 43,335.14
  4. Step 4: Simplify right side
    132,102.26x = 8,585,201,721.95
  5. Step 5: Solve for x
    x = 8,585,201,721.95/132,102.26
  6. Step 6: Final answer
    x = 64,989.06

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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.