Home / 234,633.20-323,621.84-154,031.31

Finding the Fourth Proportional to 234,633.20, 323,621.84 and 154,031.31

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Solution

The fourth proportional to 234,633.20, 323,621.84 and 154,031.31 is: 212,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,633.20 : 323,621.84 = 154,031.31 : x
  2. Step 2: Convert to fraction form
    234,633.20/323,621.84 = 154,031.31/x
  3. Step 3: Cross multiply
    234,633.20x = 323,621.84 × 154,031.31
  4. Step 4: Simplify right side
    234,633.20x = 49,847,895,189.65
  5. Step 5: Solve for x
    x = 49,847,895,189.65/234,633.20
  6. Step 6: Final answer
    x = 212,450.31

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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.