Home / 201,593.34-278,198.55-125,083.98

Finding the Fourth Proportional to 201,593.34, 278,198.55 and 125,083.98

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Solution

The fourth proportional to 201,593.34, 278,198.55 and 125,083.98 is: 172,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,593.34 : 278,198.55 = 125,083.98 : x
  2. Step 2: Convert to fraction form
    201,593.34/278,198.55 = 125,083.98/x
  3. Step 3: Cross multiply
    201,593.34x = 278,198.55 × 125,083.98
  4. Step 4: Simplify right side
    201,593.34x = 34,798,181,864.23
  5. Step 5: Solve for x
    x = 34,798,181,864.23/201,593.34
  6. Step 6: Final answer
    x = 172,615.73

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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.