Home / 372,042.12-557,725.68-135,217.56

Finding the Fourth Proportional to 372,042.12, 557,725.68 and 135,217.56

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Solution

The fourth proportional to 372,042.12, 557,725.68 and 135,217.56 is: 202,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,042.12 : 557,725.68 = 135,217.56 : x
  2. Step 2: Convert to fraction form
    372,042.12/557,725.68 = 135,217.56/x
  3. Step 3: Cross multiply
    372,042.12x = 557,725.68 × 135,217.56
  4. Step 4: Simplify right side
    372,042.12x = 75,414,305,598.94
  5. Step 5: Solve for x
    x = 75,414,305,598.94/372,042.12
  6. Step 6: Final answer
    x = 202,703.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.