Home / 149,819.16-206,503.58-106,225.88

Finding the Fourth Proportional to 149,819.16, 206,503.58 and 106,225.88

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Solution

The fourth proportional to 149,819.16, 206,503.58 and 106,225.88 is: 146,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,819.16 : 206,503.58 = 106,225.88 : x
  2. Step 2: Convert to fraction form
    149,819.16/206,503.58 = 106,225.88/x
  3. Step 3: Cross multiply
    149,819.16x = 206,503.58 × 106,225.88
  4. Step 4: Simplify right side
    149,819.16x = 21,936,024,508.65
  5. Step 5: Solve for x
    x = 21,936,024,508.65/149,819.16
  6. Step 6: Final answer
    x = 146,416.68

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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.