Home / 219,806.43-329,706.03-70,044.66

Finding the Fourth Proportional to 219,806.43, 329,706.03 and 70,044.66

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Solution

The fourth proportional to 219,806.43, 329,706.03 and 70,044.66 is: 105,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,806.43 : 329,706.03 = 70,044.66 : x
  2. Step 2: Convert to fraction form
    219,806.43/329,706.03 = 70,044.66/x
  3. Step 3: Cross multiply
    219,806.43x = 329,706.03 × 70,044.66
  4. Step 4: Simplify right side
    219,806.43x = 23,094,146,771.30
  5. Step 5: Solve for x
    x = 23,094,146,771.30/219,806.43
  6. Step 6: Final answer
    x = 105,065.84

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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.