Home / 231,836.60-347,474.10-98,436.80

Finding the Fourth Proportional to 231,836.60, 347,474.10 and 98,436.80

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Solution

The fourth proportional to 231,836.60, 347,474.10 and 98,436.80 is: 147,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,836.60 : 347,474.10 = 98,436.80 : x
  2. Step 2: Convert to fraction form
    231,836.60/347,474.10 = 98,436.80/x
  3. Step 3: Cross multiply
    231,836.60x = 347,474.10 × 98,436.80
  4. Step 4: Simplify right side
    231,836.60x = 34,204,238,486.88
  5. Step 5: Solve for x
    x = 34,204,238,486.88/231,836.60
  6. Step 6: Final answer
    x = 147,535.97

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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.