Home / 231,896.71-347,828.05-74,082.79

Finding the Fourth Proportional to 231,896.71, 347,828.05 and 74,082.79

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Solution

The fourth proportional to 231,896.71, 347,828.05 and 74,082.79 is: 111,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,896.71 : 347,828.05 = 74,082.79 : x
  2. Step 2: Convert to fraction form
    231,896.71/347,828.05 = 74,082.79/x
  3. Step 3: Cross multiply
    231,896.71x = 347,828.05 × 74,082.79
  4. Step 4: Simplify right side
    231,896.71x = 25,768,072,384.26
  5. Step 5: Solve for x
    x = 25,768,072,384.26/231,896.71
  6. Step 6: Final answer
    x = 111,118.75

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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.