Home / 215,936.25-297,911.70-125,241.36

Finding the Fourth Proportional to 215,936.25, 297,911.70 and 125,241.36

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Solution

The fourth proportional to 215,936.25, 297,911.70 and 125,241.36 is: 172,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,936.25 : 297,911.70 = 125,241.36 : x
  2. Step 2: Convert to fraction form
    215,936.25/297,911.70 = 125,241.36/x
  3. Step 3: Cross multiply
    215,936.25x = 297,911.70 × 125,241.36
  4. Step 4: Simplify right side
    215,936.25x = 37,310,866,467.91
  5. Step 5: Solve for x
    x = 37,310,866,467.91/215,936.25
  6. Step 6: Final answer
    x = 172,786.49

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1.5x scale

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.