Home / 183,293.05-252,940.60-100,505.88

Finding the Fourth Proportional to 183,293.05, 252,940.60 and 100,505.88

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Solution

The fourth proportional to 183,293.05, 252,940.60 and 100,505.88 is: 138,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,293.05 : 252,940.60 = 100,505.88 : x
  2. Step 2: Convert to fraction form
    183,293.05/252,940.60 = 100,505.88/x
  3. Step 3: Cross multiply
    183,293.05x = 252,940.60 × 100,505.88
  4. Step 4: Simplify right side
    183,293.05x = 25,422,016,366.59
  5. Step 5: Solve for x
    x = 25,422,016,366.59/183,293.05
  6. Step 6: Final answer
    x = 138,696.02

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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.