Home / 219,946.92-329,809.66-107,458.58

Finding the Fourth Proportional to 219,946.92, 329,809.66 and 107,458.58

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Solution

The fourth proportional to 219,946.92, 329,809.66 and 107,458.58 is: 161,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,946.92 : 329,809.66 = 107,458.58 : x
  2. Step 2: Convert to fraction form
    219,946.92/329,809.66 = 107,458.58/x
  3. Step 3: Cross multiply
    219,946.92x = 329,809.66 × 107,458.58
  4. Step 4: Simplify right side
    219,946.92x = 35,440,877,733.88
  5. Step 5: Solve for x
    x = 35,440,877,733.88/219,946.92
  6. Step 6: Final answer
    x = 161,133.78

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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.