Home / 220,454.10-330,817.23-102,103.38

Finding the Fourth Proportional to 220,454.10, 330,817.23 and 102,103.38

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Solution

The fourth proportional to 220,454.10, 330,817.23 and 102,103.38 is: 153,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,454.10 : 330,817.23 = 102,103.38 : x
  2. Step 2: Convert to fraction form
    220,454.10/330,817.23 = 102,103.38/x
  3. Step 3: Cross multiply
    220,454.10x = 330,817.23 × 102,103.38
  4. Step 4: Simplify right side
    220,454.10x = 33,777,557,345.24
  5. Step 5: Solve for x
    x = 33,777,557,345.24/220,454.10
  6. Step 6: Final answer
    x = 153,218.10

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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.