Home / 132,613.73-183,022.56-74,480.03

Finding the Fourth Proportional to 132,613.73, 183,022.56 and 74,480.03

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Solution

The fourth proportional to 132,613.73, 183,022.56 and 74,480.03 is: 102,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,613.73 : 183,022.56 = 74,480.03 : x
  2. Step 2: Convert to fraction form
    132,613.73/183,022.56 = 74,480.03/x
  3. Step 3: Cross multiply
    132,613.73x = 183,022.56 × 74,480.03
  4. Step 4: Simplify right side
    132,613.73x = 13,631,524,471.96
  5. Step 5: Solve for x
    x = 13,631,524,471.96/132,613.73
  6. Step 6: Final answer
    x = 102,791.20

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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.