Home / 204,032.10-306,048.15-137,676.90

Finding the Fourth Proportional to 204,032.10, 306,048.15 and 137,676.90

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Solution

The fourth proportional to 204,032.10, 306,048.15 and 137,676.90 is: 206,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,032.10 : 306,048.15 = 137,676.90 : x
  2. Step 2: Convert to fraction form
    204,032.10/306,048.15 = 137,676.90/x
  3. Step 3: Cross multiply
    204,032.10x = 306,048.15 × 137,676.90
  4. Step 4: Simplify right side
    204,032.10x = 42,135,760,542.74
  5. Step 5: Solve for x
    x = 42,135,760,542.74/204,032.10
  6. Step 6: Final answer
    x = 206,515.35

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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.