Home / 137,788.36-206,704.20-58,903

Finding the Fourth Proportional to 137,788.36, 206,704.20 and 58,903

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Solution

The fourth proportional to 137,788.36, 206,704.20 and 58,903 is: 88,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,788.36 : 206,704.20 = 58,903 : x
  2. Step 2: Convert to fraction form
    137,788.36/206,704.20 = 58,903/x
  3. Step 3: Cross multiply
    137,788.36x = 206,704.20 × 58,903
  4. Step 4: Simplify right side
    137,788.36x = 12,175,497,492.60
  5. Step 5: Solve for x
    x = 12,175,497,492.60/137,788.36
  6. Step 6: Final answer
    x = 88,363.76

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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.