Home / 199,363.51-275,128.26-108,724.42

Finding the Fourth Proportional to 199,363.51, 275,128.26 and 108,724.42

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Solution

The fourth proportional to 199,363.51, 275,128.26 and 108,724.42 is: 150,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,363.51 : 275,128.26 = 108,724.42 : x
  2. Step 2: Convert to fraction form
    199,363.51/275,128.26 = 108,724.42/x
  3. Step 3: Cross multiply
    199,363.51x = 275,128.26 × 108,724.42
  4. Step 4: Simplify right side
    199,363.51x = 29,913,160,494.11
  5. Step 5: Solve for x
    x = 29,913,160,494.11/199,363.51
  6. Step 6: Final answer
    x = 150,043.31

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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.