Home / 123,502.52-170,308.56-109,847.44

Finding the Fourth Proportional to 123,502.52, 170,308.56 and 109,847.44

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Solution

The fourth proportional to 123,502.52, 170,308.56 and 109,847.44 is: 151,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,502.52 : 170,308.56 = 109,847.44 : x
  2. Step 2: Convert to fraction form
    123,502.52/170,308.56 = 109,847.44/x
  3. Step 3: Cross multiply
    123,502.52x = 170,308.56 × 109,847.44
  4. Step 4: Simplify right side
    123,502.52x = 18,707,959,326.09
  5. Step 5: Solve for x
    x = 18,707,959,326.09/123,502.52
  6. Step 6: Final answer
    x = 151,478.36

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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.