Home / 199,364.51-275,129.64-108,725.42

Finding the Fourth Proportional to 199,364.51, 275,129.64 and 108,725.42

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Solution

The fourth proportional to 199,364.51, 275,129.64 and 108,725.42 is: 150,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,364.51 : 275,129.64 = 108,725.42 : x
  2. Step 2: Convert to fraction form
    199,364.51/275,129.64 = 108,725.42/x
  3. Step 3: Cross multiply
    199,364.51x = 275,129.64 × 108,725.42
  4. Step 4: Simplify right side
    199,364.51x = 29,913,585,663.45
  5. Step 5: Solve for x
    x = 29,913,585,663.45/199,364.51
  6. Step 6: Final answer
    x = 150,044.69

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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.