Home / 226,290.42-339,479.37-76,555.08

Finding the Fourth Proportional to 226,290.42, 339,479.37 and 76,555.08

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Solution

The fourth proportional to 226,290.42, 339,479.37 and 76,555.08 is: 114,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,290.42 : 339,479.37 = 76,555.08 : x
  2. Step 2: Convert to fraction form
    226,290.42/339,479.37 = 76,555.08/x
  3. Step 3: Cross multiply
    226,290.42x = 339,479.37 × 76,555.08
  4. Step 4: Simplify right side
    226,290.42x = 25,988,870,328.70
  5. Step 5: Solve for x
    x = 25,988,870,328.70/226,290.42
  6. Step 6: Final answer
    x = 114,847.42

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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.