Home / 132,629.27-183,027.87-72,199.69

Finding the Fourth Proportional to 132,629.27, 183,027.87 and 72,199.69

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Solution

The fourth proportional to 132,629.27, 183,027.87 and 72,199.69 is: 99,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.27 : 183,027.87 = 72,199.69 : x
  2. Step 2: Convert to fraction form
    132,629.27/183,027.87 = 72,199.69/x
  3. Step 3: Cross multiply
    132,629.27x = 183,027.87 × 72,199.69
  4. Step 4: Simplify right side
    132,629.27x = 13,214,555,017.79
  5. Step 5: Solve for x
    x = 13,214,555,017.79/132,629.27
  6. Step 6: Final answer
    x = 99,635.29

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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.