Home / 219,942.20-329,913.30-141,210.20

Finding the Fourth Proportional to 219,942.20, 329,913.30 and 141,210.20

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Solution

The fourth proportional to 219,942.20, 329,913.30 and 141,210.20 is: 211,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.20 : 329,913.30 = 141,210.20 : x
  2. Step 2: Convert to fraction form
    219,942.20/329,913.30 = 141,210.20/x
  3. Step 3: Cross multiply
    219,942.20x = 329,913.30 × 141,210.20
  4. Step 4: Simplify right side
    219,942.20x = 46,587,123,075.66
  5. Step 5: Solve for x
    x = 46,587,123,075.66/219,942.20
  6. Step 6: Final answer
    x = 211,815.30

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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.