Home / 231,399.24-347,124.38-73,590.80

Finding the Fourth Proportional to 231,399.24, 347,124.38 and 73,590.80

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Solution

The fourth proportional to 231,399.24, 347,124.38 and 73,590.80 is: 110,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,399.24 : 347,124.38 = 73,590.80 : x
  2. Step 2: Convert to fraction form
    231,399.24/347,124.38 = 73,590.80/x
  3. Step 3: Cross multiply
    231,399.24x = 347,124.38 × 73,590.80
  4. Step 4: Simplify right side
    231,399.24x = 25,545,160,823.70
  5. Step 5: Solve for x
    x = 25,545,160,823.70/231,399.24
  6. Step 6: Final answer
    x = 110,394.32

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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.