Home / 215,929.16-323,857.02-58,122.44

Finding the Fourth Proportional to 215,929.16, 323,857.02 and 58,122.44

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Solution

The fourth proportional to 215,929.16, 323,857.02 and 58,122.44 is: 87,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,929.16 : 323,857.02 = 58,122.44 : x
  2. Step 2: Convert to fraction form
    215,929.16/323,857.02 = 58,122.44/x
  3. Step 3: Cross multiply
    215,929.16x = 323,857.02 × 58,122.44
  4. Step 4: Simplify right side
    215,929.16x = 18,823,360,213.53
  5. Step 5: Solve for x
    x = 18,823,360,213.53/215,929.16
  6. Step 6: Final answer
    x = 87,173.78

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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.