Home / 132,781.24-183,236.47-72,350.33

Finding the Fourth Proportional to 132,781.24, 183,236.47 and 72,350.33

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Solution

The fourth proportional to 132,781.24, 183,236.47 and 72,350.33 is: 99,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,781.24 : 183,236.47 = 72,350.33 : x
  2. Step 2: Convert to fraction form
    132,781.24/183,236.47 = 72,350.33/x
  3. Step 3: Cross multiply
    132,781.24x = 183,236.47 × 72,350.33
  4. Step 4: Simplify right side
    132,781.24x = 13,257,219,072.54
  5. Step 5: Solve for x
    x = 13,257,219,072.54/132,781.24
  6. Step 6: Final answer
    x = 99,842.56

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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.