Home / 132,659.52-183,083.04-99,067.20

Finding the Fourth Proportional to 132,659.52, 183,083.04 and 99,067.20

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Solution

The fourth proportional to 132,659.52, 183,083.04 and 99,067.20 is: 136,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,659.52 : 183,083.04 = 99,067.20 : x
  2. Step 2: Convert to fraction form
    132,659.52/183,083.04 = 99,067.20/x
  3. Step 3: Cross multiply
    132,659.52x = 183,083.04 × 99,067.20
  4. Step 4: Simplify right side
    132,659.52x = 18,137,524,140.29
  5. Step 5: Solve for x
    x = 18,137,524,140.29/132,659.52
  6. Step 6: Final answer
    x = 136,722.37

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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.