Home / 132,811.24-183,274.16-72,380.60

Finding the Fourth Proportional to 132,811.24, 183,274.16 and 72,380.60

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Solution

The fourth proportional to 132,811.24, 183,274.16 and 72,380.60 is: 99,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,811.24 : 183,274.16 = 72,380.60 : x
  2. Step 2: Convert to fraction form
    132,811.24/183,274.16 = 72,380.60/x
  3. Step 3: Cross multiply
    132,811.24x = 183,274.16 × 72,380.60
  4. Step 4: Simplify right side
    132,811.24x = 13,265,493,665.30
  5. Step 5: Solve for x
    x = 13,265,493,665.30/132,811.24
  6. Step 6: Final answer
    x = 99,882.31

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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.