Home / 231,606.30-347,437.46-81,815.92

Finding the Fourth Proportional to 231,606.30, 347,437.46 and 81,815.92

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Solution

The fourth proportional to 231,606.30, 347,437.46 and 81,815.92 is: 122,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,606.30 : 347,437.46 = 81,815.92 : x
  2. Step 2: Convert to fraction form
    231,606.30/347,437.46 = 81,815.92/x
  3. Step 3: Cross multiply
    231,606.30x = 347,437.46 × 81,815.92
  4. Step 4: Simplify right side
    231,606.30x = 28,425,915,432.36
  5. Step 5: Solve for x
    x = 28,425,915,432.36/231,606.30
  6. Step 6: Final answer
    x = 122,733.77

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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.