Home / 132,983.78-199,476.47-109,514.84

Finding the Fourth Proportional to 132,983.78, 199,476.47 and 109,514.84

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Solution

The fourth proportional to 132,983.78, 199,476.47 and 109,514.84 is: 164,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.78 : 199,476.47 = 109,514.84 : x
  2. Step 2: Convert to fraction form
    132,983.78/199,476.47 = 109,514.84/x
  3. Step 3: Cross multiply
    132,983.78x = 199,476.47 × 109,514.84
  4. Step 4: Simplify right side
    132,983.78x = 21,845,632,972.22
  5. Step 5: Solve for x
    x = 21,845,632,972.22/132,983.78
  6. Step 6: Final answer
    x = 164,272.92

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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.