Home / 132,788.36-183,245.60-72,359.44

Finding the Fourth Proportional to 132,788.36, 183,245.60 and 72,359.44

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Solution

The fourth proportional to 132,788.36, 183,245.60 and 72,359.44 is: 99,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.36 : 183,245.60 = 72,359.44 : x
  2. Step 2: Convert to fraction form
    132,788.36/183,245.60 = 72,359.44/x
  3. Step 3: Cross multiply
    132,788.36x = 183,245.60 × 72,359.44
  4. Step 4: Simplify right side
    132,788.36x = 13,259,548,998.46
  5. Step 5: Solve for x
    x = 13,259,548,998.46/132,788.36
  6. Step 6: Final answer
    x = 99,854.75

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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.