Home / 231,949.10-347,757.60-89,672.60

Finding the Fourth Proportional to 231,949.10, 347,757.60 and 89,672.60

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Solution

The fourth proportional to 231,949.10, 347,757.60 and 89,672.60 is: 134,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,949.10 : 347,757.60 = 89,672.60 : x
  2. Step 2: Convert to fraction form
    231,949.10/347,757.60 = 89,672.60/x
  3. Step 3: Cross multiply
    231,949.10x = 347,757.60 × 89,672.60
  4. Step 4: Simplify right side
    231,949.10x = 31,184,328,161.76
  5. Step 5: Solve for x
    x = 31,184,328,161.76/231,949.10
  6. Step 6: Final answer
    x = 134,444.70

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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.