Home / 231,398.21-347,122.83-73,589.76

Finding the Fourth Proportional to 231,398.21, 347,122.83 and 73,589.76

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Solution

The fourth proportional to 231,398.21, 347,122.83 and 73,589.76 is: 110,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,398.21 : 347,122.83 = 73,589.76 : x
  2. Step 2: Convert to fraction form
    231,398.21/347,122.83 = 73,589.76/x
  3. Step 3: Cross multiply
    231,398.21x = 347,122.83 × 73,589.76
  4. Step 4: Simplify right side
    231,398.21x = 25,544,686,026.18
  5. Step 5: Solve for x
    x = 25,544,686,026.18/231,398.21
  6. Step 6: Final answer
    x = 110,392.75

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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.