Home / 219,943.70-329,915.55-141,211.70

Finding the Fourth Proportional to 219,943.70, 329,915.55 and 141,211.70

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Solution

The fourth proportional to 219,943.70, 329,915.55 and 141,211.70 is: 211,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,943.70 : 329,915.55 = 141,211.70 : x
  2. Step 2: Convert to fraction form
    219,943.70/329,915.55 = 141,211.70/x
  3. Step 3: Cross multiply
    219,943.70x = 329,915.55 × 141,211.70
  4. Step 4: Simplify right side
    219,943.70x = 46,587,935,671.94
  5. Step 5: Solve for x
    x = 46,587,935,671.94/219,943.70
  6. Step 6: Final answer
    x = 211,817.55

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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.