Home / 345,986.10-476,752.23-255,198.33

Finding the Fourth Proportional to 345,986.10, 476,752.23 and 255,198.33

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Solution

The fourth proportional to 345,986.10, 476,752.23 and 255,198.33 is: 351,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,986.10 : 476,752.23 = 255,198.33 : x
  2. Step 2: Convert to fraction form
    345,986.10/476,752.23 = 255,198.33/x
  3. Step 3: Cross multiply
    345,986.10x = 476,752.23 × 255,198.33
  4. Step 4: Simplify right side
    345,986.10x = 121,666,372,919.78
  5. Step 5: Solve for x
    x = 121,666,372,919.78/345,986.10
  6. Step 6: Final answer
    x = 351,651.04

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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.