Home / 347,172.12-479,099.34-202,063.86

Finding the Fourth Proportional to 347,172.12, 479,099.34 and 202,063.86

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Solution

The fourth proportional to 347,172.12, 479,099.34 and 202,063.86 is: 278,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,172.12 : 479,099.34 = 202,063.86 : x
  2. Step 2: Convert to fraction form
    347,172.12/479,099.34 = 202,063.86/x
  3. Step 3: Cross multiply
    347,172.12x = 479,099.34 × 202,063.86
  4. Step 4: Simplify right side
    347,172.12x = 96,808,661,963.85
  5. Step 5: Solve for x
    x = 96,808,661,963.85/347,172.12
  6. Step 6: Final answer
    x = 278,849.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.