Home / 163,429.56-245,137.68-45,097.88

Finding the Fourth Proportional to 163,429.56, 245,137.68 and 45,097.88

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Solution

The fourth proportional to 163,429.56, 245,137.68 and 45,097.88 is: 67,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,429.56 : 245,137.68 = 45,097.88 : x
  2. Step 2: Convert to fraction form
    163,429.56/245,137.68 = 45,097.88/x
  3. Step 3: Cross multiply
    163,429.56x = 245,137.68 × 45,097.88
  4. Step 4: Simplify right side
    163,429.56x = 11,055,188,450.43
  5. Step 5: Solve for x
    x = 11,055,188,450.43/163,429.56
  6. Step 6: Final answer
    x = 67,644.97

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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.