Home / 140,916.30-211,321.97-56,648.10

Finding the Fourth Proportional to 140,916.30, 211,321.97 and 56,648.10

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Solution

The fourth proportional to 140,916.30, 211,321.97 and 56,648.10 is: 84,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.30 : 211,321.97 = 56,648.10 : x
  2. Step 2: Convert to fraction form
    140,916.30/211,321.97 = 56,648.10/x
  3. Step 3: Cross multiply
    140,916.30x = 211,321.97 × 56,648.10
  4. Step 4: Simplify right side
    140,916.30x = 11,970,988,230.38
  5. Step 5: Solve for x
    x = 11,970,988,230.38/140,916.30
  6. Step 6: Final answer
    x = 84,951.05

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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.