Home / 231,812.20-347,718.30-113,501.80

Finding the Fourth Proportional to 231,812.20, 347,718.30 and 113,501.80

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Solution

The fourth proportional to 231,812.20, 347,718.30 and 113,501.80 is: 170,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,812.20 : 347,718.30 = 113,501.80 : x
  2. Step 2: Convert to fraction form
    231,812.20/347,718.30 = 113,501.80/x
  3. Step 3: Cross multiply
    231,812.20x = 347,718.30 × 113,501.80
  4. Step 4: Simplify right side
    231,812.20x = 39,466,652,942.94
  5. Step 5: Solve for x
    x = 39,466,652,942.94/231,812.20
  6. Step 6: Final answer
    x = 170,252.70

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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.