Home / 204,072.10-306,108.88-61,918.58

Finding the Fourth Proportional to 204,072.10, 306,108.88 and 61,918.58

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Solution

The fourth proportional to 204,072.10, 306,108.88 and 61,918.58 is: 92,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,072.10 : 306,108.88 = 61,918.58 : x
  2. Step 2: Convert to fraction form
    204,072.10/306,108.88 = 61,918.58/x
  3. Step 3: Cross multiply
    204,072.10x = 306,108.88 × 61,918.58
  4. Step 4: Simplify right side
    204,072.10x = 18,953,827,174.99
  5. Step 5: Solve for x
    x = 18,953,827,174.99/204,072.10
  6. Step 6: Final answer
    x = 92,878.09

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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.