Home / 132,627.29-183,023.78-72,198.44

Finding the Fourth Proportional to 132,627.29, 183,023.78 and 72,198.44

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Solution

The fourth proportional to 132,627.29, 183,023.78 and 72,198.44 is: 99,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,627.29 : 183,023.78 = 72,198.44 : x
  2. Step 2: Convert to fraction form
    132,627.29/183,023.78 = 72,198.44/x
  3. Step 3: Cross multiply
    132,627.29x = 183,023.78 × 72,198.44
  4. Step 4: Simplify right side
    132,627.29x = 13,214,030,122.79
  5. Step 5: Solve for x
    x = 13,214,030,122.79/132,627.29
  6. Step 6: Final answer
    x = 99,632.82

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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.