Home / 231,721.20-347,581.80-73,961.20

Finding the Fourth Proportional to 231,721.20, 347,581.80 and 73,961.20

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Solution

The fourth proportional to 231,721.20, 347,581.80 and 73,961.20 is: 110,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,721.20 : 347,581.80 = 73,961.20 : x
  2. Step 2: Convert to fraction form
    231,721.20/347,581.80 = 73,961.20/x
  3. Step 3: Cross multiply
    231,721.20x = 347,581.80 × 73,961.20
  4. Step 4: Simplify right side
    231,721.20x = 25,707,567,026.16
  5. Step 5: Solve for x
    x = 25,707,567,026.16/231,721.20
  6. Step 6: Final answer
    x = 110,941.80

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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.