Home / 219,926.70-329,890.05-192,807.90

Finding the Fourth Proportional to 219,926.70, 329,890.05 and 192,807.90

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Solution

The fourth proportional to 219,926.70, 329,890.05 and 192,807.90 is: 289,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,926.70 : 329,890.05 = 192,807.90 : x
  2. Step 2: Convert to fraction form
    219,926.70/329,890.05 = 192,807.90/x
  3. Step 3: Cross multiply
    219,926.70x = 329,890.05 × 192,807.90
  4. Step 4: Simplify right side
    219,926.70x = 63,605,407,771.40
  5. Step 5: Solve for x
    x = 63,605,407,771.40/219,926.70
  6. Step 6: Final answer
    x = 289,211.85

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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.