Home / 231,642.20-347,430.90-73,886.60

Finding the Fourth Proportional to 231,642.20, 347,430.90 and 73,886.60

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Solution

The fourth proportional to 231,642.20, 347,430.90 and 73,886.60 is: 110,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,642.20 : 347,430.90 = 73,886.60 : x
  2. Step 2: Convert to fraction form
    231,642.20/347,430.90 = 73,886.60/x
  3. Step 3: Cross multiply
    231,642.20x = 347,430.90 × 73,886.60
  4. Step 4: Simplify right side
    231,642.20x = 25,670,487,935.94
  5. Step 5: Solve for x
    x = 25,670,487,935.94/231,642.20
  6. Step 6: Final answer
    x = 110,819.57

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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.