Home / 391,942.24-587,850.36-107,566.36

Finding the Fourth Proportional to 391,942.24, 587,850.36 and 107,566.36

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Solution

The fourth proportional to 391,942.24, 587,850.36 and 107,566.36 is: 161,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,942.24 : 587,850.36 = 107,566.36 : x
  2. Step 2: Convert to fraction form
    391,942.24/587,850.36 = 107,566.36/x
  3. Step 3: Cross multiply
    391,942.24x = 587,850.36 × 107,566.36
  4. Step 4: Simplify right side
    391,942.24x = 63,232,923,449.89
  5. Step 5: Solve for x
    x = 63,232,923,449.89/391,942.24
  6. Step 6: Final answer
    x = 161,332.25

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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.