Home / 132,883.26-183,380.34-72,453.42

Finding the Fourth Proportional to 132,883.26, 183,380.34 and 72,453.42

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Solution

The fourth proportional to 132,883.26, 183,380.34 and 72,453.42 is: 99,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,883.26 : 183,380.34 = 72,453.42 : x
  2. Step 2: Convert to fraction form
    132,883.26/183,380.34 = 72,453.42/x
  3. Step 3: Cross multiply
    132,883.26x = 183,380.34 × 72,453.42
  4. Step 4: Simplify right side
    132,883.26x = 13,286,532,793.76
  5. Step 5: Solve for x
    x = 13,286,532,793.76/132,883.26
  6. Step 6: Final answer
    x = 99,986.51

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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.