Home / 219,975.20-329,930.40-62,219.60

Finding the Fourth Proportional to 219,975.20, 329,930.40 and 62,219.60

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Solution

The fourth proportional to 219,975.20, 329,930.40 and 62,219.60 is: 93,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,975.20 : 329,930.40 = 62,219.60 : x
  2. Step 2: Convert to fraction form
    219,975.20/329,930.40 = 62,219.60/x
  3. Step 3: Cross multiply
    219,975.20x = 329,930.40 × 62,219.60
  4. Step 4: Simplify right side
    219,975.20x = 20,528,137,515.84
  5. Step 5: Solve for x
    x = 20,528,137,515.84/219,975.20
  6. Step 6: Final answer
    x = 93,320.24

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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.