Home / 379,131.75-569,135.03-192,536.91

Finding the Fourth Proportional to 379,131.75, 569,135.03 and 192,536.91

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Solution

The fourth proportional to 379,131.75, 569,135.03 and 192,536.91 is: 289,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,131.75 : 569,135.03 = 192,536.91 : x
  2. Step 2: Convert to fraction form
    379,131.75/569,135.03 = 192,536.91/x
  3. Step 3: Cross multiply
    379,131.75x = 569,135.03 × 192,536.91
  4. Step 4: Simplify right side
    379,131.75x = 109,579,499,086.27
  5. Step 5: Solve for x
    x = 109,579,499,086.27/379,131.75
  6. Step 6: Final answer
    x = 289,027.49

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1.5x scale

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.