Home / 132,859.07-199,383.38-73,742.03

Finding the Fourth Proportional to 132,859.07, 199,383.38 and 73,742.03

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Solution

The fourth proportional to 132,859.07, 199,383.38 and 73,742.03 is: 110,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859.07 : 199,383.38 = 73,742.03 : x
  2. Step 2: Convert to fraction form
    132,859.07/199,383.38 = 73,742.03/x
  3. Step 3: Cross multiply
    132,859.07x = 199,383.38 × 73,742.03
  4. Step 4: Simplify right side
    132,859.07x = 14,702,934,820.75
  5. Step 5: Solve for x
    x = 14,702,934,820.75/132,859.07
  6. Step 6: Final answer
    x = 110,665.65

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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.