Home / 226,876.10-339,968.55-191,624.90

Finding the Fourth Proportional to 226,876.10, 339,968.55 and 191,624.90

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Solution

The fourth proportional to 226,876.10, 339,968.55 and 191,624.90 is: 287,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,876.10 : 339,968.55 = 191,624.90 : x
  2. Step 2: Convert to fraction form
    226,876.10/339,968.55 = 191,624.90/x
  3. Step 3: Cross multiply
    226,876.10x = 339,968.55 × 191,624.90
  4. Step 4: Simplify right side
    226,876.10x = 65,146,439,396.90
  5. Step 5: Solve for x
    x = 65,146,439,396.90/226,876.10
  6. Step 6: Final answer
    x = 287,145.45

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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.