Home / 226,416.50-339,676.59-78,672.50

Finding the Fourth Proportional to 226,416.50, 339,676.59 and 78,672.50

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Solution

The fourth proportional to 226,416.50, 339,676.59 and 78,672.50 is: 118,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,416.50 : 339,676.59 = 78,672.50 : x
  2. Step 2: Convert to fraction form
    226,416.50/339,676.59 = 78,672.50/x
  3. Step 3: Cross multiply
    226,416.50x = 339,676.59 × 78,672.50
  4. Step 4: Simplify right side
    226,416.50x = 26,723,206,526.78
  5. Step 5: Solve for x
    x = 26,723,206,526.78/226,416.50
  6. Step 6: Final answer
    x = 118,026.76

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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.