Home / 272,581.94-408,919.62-92,648.34

Finding the Fourth Proportional to 272,581.94, 408,919.62 and 92,648.34

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Solution

The fourth proportional to 272,581.94, 408,919.62 and 92,648.34 is: 138,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,581.94 : 408,919.62 = 92,648.34 : x
  2. Step 2: Convert to fraction form
    272,581.94/408,919.62 = 92,648.34/x
  3. Step 3: Cross multiply
    272,581.94x = 408,919.62 × 92,648.34
  4. Step 4: Simplify right side
    272,581.94x = 37,885,723,986.43
  5. Step 5: Solve for x
    x = 37,885,723,986.43/272,581.94
  6. Step 6: Final answer
    x = 138,988.39

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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.