Home / 231,623.55-347,271.30-105,324.30

Finding the Fourth Proportional to 231,623.55, 347,271.30 and 105,324.30

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Solution

The fourth proportional to 231,623.55, 347,271.30 and 105,324.30 is: 157,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,623.55 : 347,271.30 = 105,324.30 : x
  2. Step 2: Convert to fraction form
    231,623.55/347,271.30 = 105,324.30/x
  3. Step 3: Cross multiply
    231,623.55x = 347,271.30 × 105,324.30
  4. Step 4: Simplify right side
    231,623.55x = 36,576,106,582.59
  5. Step 5: Solve for x
    x = 36,576,106,582.59/231,623.55
  6. Step 6: Final answer
    x = 157,911.86

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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.