Home / 165,579.87-248,387.57-70,819.89

Finding the Fourth Proportional to 165,579.87, 248,387.57 and 70,819.89

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Solution

The fourth proportional to 165,579.87, 248,387.57 and 70,819.89 is: 106,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,579.87 : 248,387.57 = 70,819.89 : x
  2. Step 2: Convert to fraction form
    165,579.87/248,387.57 = 70,819.89/x
  3. Step 3: Cross multiply
    165,579.87x = 248,387.57 × 70,819.89
  4. Step 4: Simplify right side
    165,579.87x = 17,590,780,384.77
  5. Step 5: Solve for x
    x = 17,590,780,384.77/165,579.87
  6. Step 6: Final answer
    x = 106,237.43

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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.