Home / 283,417.86-391,144.26-211,673.34

Finding the Fourth Proportional to 283,417.86, 391,144.26 and 211,673.34

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Solution

The fourth proportional to 283,417.86, 391,144.26 and 211,673.34 is: 292,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,417.86 : 391,144.26 = 211,673.34 : x
  2. Step 2: Convert to fraction form
    283,417.86/391,144.26 = 211,673.34/x
  3. Step 3: Cross multiply
    283,417.86x = 391,144.26 × 211,673.34
  4. Step 4: Simplify right side
    283,417.86x = 82,794,811,936.03
  5. Step 5: Solve for x
    x = 82,794,811,936.03/283,417.86
  6. Step 6: Final answer
    x = 292,129.83

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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.