Home / 219,211.82-328,623.32-106,829.18

Finding the Fourth Proportional to 219,211.82, 328,623.32 and 106,829.18

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Solution

The fourth proportional to 219,211.82, 328,623.32 and 106,829.18 is: 160,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,211.82 : 328,623.32 = 106,829.18 : x
  2. Step 2: Convert to fraction form
    219,211.82/328,623.32 = 106,829.18/x
  3. Step 3: Cross multiply
    219,211.82x = 328,623.32 × 106,829.18
  4. Step 4: Simplify right side
    219,211.82x = 35,106,558,428.43
  5. Step 5: Solve for x
    x = 35,106,558,428.43/219,211.82
  6. Step 6: Final answer
    x = 160,149.02

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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.