Home / 226,723.40-340,085.10-206,505.80

Finding the Fourth Proportional to 226,723.40, 340,085.10 and 206,505.80

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Solution

The fourth proportional to 226,723.40, 340,085.10 and 206,505.80 is: 309,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,723.40 : 340,085.10 = 206,505.80 : x
  2. Step 2: Convert to fraction form
    226,723.40/340,085.10 = 206,505.80/x
  3. Step 3: Cross multiply
    226,723.40x = 340,085.10 × 206,505.80
  4. Step 4: Simplify right side
    226,723.40x = 70,229,545,643.58
  5. Step 5: Solve for x
    x = 70,229,545,643.58/226,723.40
  6. Step 6: Final answer
    x = 309,758.70

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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.