Home / 431,738.46-647,549.34-116,214.30

Finding the Fourth Proportional to 431,738.46, 647,549.34 and 116,214.30

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Solution

The fourth proportional to 431,738.46, 647,549.34 and 116,214.30 is: 174,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,738.46 : 647,549.34 = 116,214.30 : x
  2. Step 2: Convert to fraction form
    431,738.46/647,549.34 = 116,214.30/x
  3. Step 3: Cross multiply
    431,738.46x = 647,549.34 × 116,214.30
  4. Step 4: Simplify right side
    431,738.46x = 75,254,493,263.56
  5. Step 5: Solve for x
    x = 75,254,493,263.56/431,738.46
  6. Step 6: Final answer
    x = 174,305.74

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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.