Home / 231,533.92-347,287.44-89,351.38

Finding the Fourth Proportional to 231,533.92, 347,287.44 and 89,351.38

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Solution

The fourth proportional to 231,533.92, 347,287.44 and 89,351.38 is: 134,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,533.92 : 347,287.44 = 89,351.38 : x
  2. Step 2: Convert to fraction form
    231,533.92/347,287.44 = 89,351.38/x
  3. Step 3: Cross multiply
    231,533.92x = 347,287.44 × 89,351.38
  4. Step 4: Simplify right side
    231,533.92x = 31,030,612,020.67
  5. Step 5: Solve for x
    x = 31,030,612,020.67/231,533.92
  6. Step 6: Final answer
    x = 134,021.88

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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.