Home / 283,640.22-391,423.50-170,462.97

Finding the Fourth Proportional to 283,640.22, 391,423.50 and 170,462.97

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Solution

The fourth proportional to 283,640.22, 391,423.50 and 170,462.97 is: 235,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,640.22 : 391,423.50 = 170,462.97 : x
  2. Step 2: Convert to fraction form
    283,640.22/391,423.50 = 170,462.97/x
  3. Step 3: Cross multiply
    283,640.22x = 391,423.50 × 170,462.97
  4. Step 4: Simplify right side
    283,640.22x = 66,723,212,337.80
  5. Step 5: Solve for x
    x = 66,723,212,337.80/283,640.22
  6. Step 6: Final answer
    x = 235,238.90

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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.