Home / 231,516.90-347,300.87-73,708.65

Finding the Fourth Proportional to 231,516.90, 347,300.87 and 73,708.65

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Solution

The fourth proportional to 231,516.90, 347,300.87 and 73,708.65 is: 110,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516.90 : 347,300.87 = 73,708.65 : x
  2. Step 2: Convert to fraction form
    231,516.90/347,300.87 = 73,708.65/x
  3. Step 3: Cross multiply
    231,516.90x = 347,300.87 × 73,708.65
  4. Step 4: Simplify right side
    231,516.90x = 25,599,077,902.98
  5. Step 5: Solve for x
    x = 25,599,077,902.98/231,516.90
  6. Step 6: Final answer
    x = 110,571.10

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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.