Home / 279,747.99-385,887.39-197,984.27

Finding the Fourth Proportional to 279,747.99, 385,887.39 and 197,984.27

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Solution

The fourth proportional to 279,747.99, 385,887.39 and 197,984.27 is: 273,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,747.99 : 385,887.39 = 197,984.27 : x
  2. Step 2: Convert to fraction form
    279,747.99/385,887.39 = 197,984.27/x
  3. Step 3: Cross multiply
    279,747.99x = 385,887.39 × 197,984.27
  4. Step 4: Simplify right side
    279,747.99x = 76,399,631,281.92
  5. Step 5: Solve for x
    x = 76,399,631,281.92/279,747.99
  6. Step 6: Final answer
    x = 273,101.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.