Home / 132,788.16-183,245.39-72,359.33

Finding the Fourth Proportional to 132,788.16, 183,245.39 and 72,359.33

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Solution

The fourth proportional to 132,788.16, 183,245.39 and 72,359.33 is: 99,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.16 : 183,245.39 = 72,359.33 : x
  2. Step 2: Convert to fraction form
    132,788.16/183,245.39 = 72,359.33/x
  3. Step 3: Cross multiply
    132,788.16x = 183,245.39 × 72,359.33
  4. Step 4: Simplify right side
    132,788.16x = 13,259,512,639.31
  5. Step 5: Solve for x
    x = 13,259,512,639.31/132,788.16
  6. Step 6: Final answer
    x = 99,854.63

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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.