Home / 219,910.40-329,812.80-62,153.60

Finding the Fourth Proportional to 219,910.40, 329,812.80 and 62,153.60

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Solution

The fourth proportional to 219,910.40, 329,812.80 and 62,153.60 is: 93,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,910.40 : 329,812.80 = 62,153.60 : x
  2. Step 2: Convert to fraction form
    219,910.40/329,812.80 = 62,153.60/x
  3. Step 3: Cross multiply
    219,910.40x = 329,812.80 × 62,153.60
  4. Step 4: Simplify right side
    219,910.40x = 20,499,052,846.08
  5. Step 5: Solve for x
    x = 20,499,052,846.08/219,910.40
  6. Step 6: Final answer
    x = 93,215.48

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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.