Home / 199,833.51-275,767.02-109,187.49

Finding the Fourth Proportional to 199,833.51, 275,767.02 and 109,187.49

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Solution

The fourth proportional to 199,833.51, 275,767.02 and 109,187.49 is: 150,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,833.51 : 275,767.02 = 109,187.49 : x
  2. Step 2: Convert to fraction form
    199,833.51/275,767.02 = 109,187.49/x
  3. Step 3: Cross multiply
    199,833.51x = 275,767.02 × 109,187.49
  4. Step 4: Simplify right side
    199,833.51x = 30,110,308,738.58
  5. Step 5: Solve for x
    x = 30,110,308,738.58/199,833.51
  6. Step 6: Final answer
    x = 150,676.97

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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.