Home / 347,270.40-521,067.66-122,800.84

Finding the Fourth Proportional to 347,270.40, 521,067.66 and 122,800.84

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Solution

The fourth proportional to 347,270.40, 521,067.66 and 122,800.84 is: 184,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,270.40 : 521,067.66 = 122,800.84 : x
  2. Step 2: Convert to fraction form
    347,270.40/521,067.66 = 122,800.84/x
  3. Step 3: Cross multiply
    347,270.40x = 521,067.66 × 122,800.84
  4. Step 4: Simplify right side
    347,270.40x = 63,987,546,344.83
  5. Step 5: Solve for x
    x = 63,987,546,344.83/347,270.40
  6. Step 6: Final answer
    x = 184,258.57

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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.